2362 lines
40 KiB
Groff
2362 lines
40 KiB
Groff
'\" t
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.\" Title: mysqladmin
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.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
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.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
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.\" Date: 12/13/2024
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.\" Manual: MySQL Database System
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.\" Source: MySQL 8.4
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.\" Language: English
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.\"
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.TH "MYSQLADMIN" "1" "12/13/2024" "MySQL 8\&.4" "MySQL Database System"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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mysqladmin \- a MySQL server administration program
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.SH "SYNOPSIS"
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.HP \w'\fBmysqladmin\ [\fR\fB\fIoptions\fR\fR\fB]\ \fR\fB\fIcommand\fR\fR\fB\ [\fR\fB\fIcommand\-options\fR\fR\fB]\ [\fR\fB\fIcommand\fR\fR\fB\ [\fR\fB\fIcommand\-options\fR\fR\fB]]\ \&.\&.\&.\fR\ 'u
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\fBmysqladmin [\fR\fB\fIoptions\fR\fR\fB] \fR\fB\fIcommand\fR\fR\fB [\fR\fB\fIcommand\-options\fR\fR\fB] [\fR\fB\fIcommand\fR\fR\fB [\fR\fB\fIcommand\-options\fR\fR\fB]] \&.\&.\&.\fR
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.SH "DESCRIPTION"
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.PP
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\fBmysqladmin\fR
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is a client for performing administrative operations\&. You can use it to check the server\*(Aqs configuration and current status, to create and drop databases, and more\&.
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.PP
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Invoke
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\fBmysqladmin\fR
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|
like this:
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.sp
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|
.if n \{\
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|
.RS 4
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|
.\}
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|
.nf
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mysqladmin [\fIoptions\fR] \fIcommand\fR [\fIcommand\-arg\fR] [\fIcommand\fR [\fIcommand\-arg\fR]] \&.\&.\&.
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.fi
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.if n \{\
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.RE
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.\}
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.PP
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\fBmysqladmin\fR
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supports the following commands\&. Some of the commands take an argument following the command name\&.
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.sp
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|
.RS 4
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|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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create \fIdb_name\fR
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.sp
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Create a new database named
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\fIdb_name\fR\&.
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.RE
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|
.sp
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|
.RS 4
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|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
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|
.el \{\
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|
.sp -1
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|
.IP \(bu 2.3
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|
.\}
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|
debug
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.sp
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|
Tells the server to write debug information to the error log\&. The connected user must have the
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SUPER
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|
privilege\&. Format and content of this information is subject to change\&.
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.sp
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|
This includes information about the Event Scheduler\&. See
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Section\ \&27.4.5, \(lqEvent Scheduler Status\(rq\&.
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.RE
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|
.sp
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|
.RS 4
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|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
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|
.el \{\
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|
.sp -1
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|
.IP \(bu 2.3
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|
.\}
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|
drop \fIdb_name\fR
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.sp
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Delete the database named
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\fIdb_name\fR
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and all its tables\&.
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.RE
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|
.sp
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|
.RS 4
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|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
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|
.el \{\
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|
.sp -1
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|
.IP \(bu 2.3
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|
.\}
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|
extended\-status
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|
.sp
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|
Display the server status variables and their values\&.
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|
.RE
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|
.sp
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|
.RS 4
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|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
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|
.el \{\
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|
.sp -1
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|
.IP \(bu 2.3
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|
.\}
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|
flush\-hosts
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|
.sp
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Flush all information in the host cache\&. See
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Section\ \&7.1.12.3, \(lqDNS Lookups and the Host Cache\(rq\&.
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.RE
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|
.sp
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|
.RS 4
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|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
|
|
.el \{\
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|
.sp -1
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|
.IP \(bu 2.3
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|
.\}
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|
flush\-logs [\fIlog_type\fR \&.\&.\&.]
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.sp
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Flush all logs\&.
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.sp
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The
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|
\fBmysqladmin flush\-logs\fR
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|
command permits optional log types to be given, to specify which logs to flush\&. Following the
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|
flush\-logs
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|
command, you can provide a space\-separated list of one or more of the following log types:
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binary,
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engine,
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error,
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general,
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relay,
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|
slow\&. These correspond to the log types that can be specified for the
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|
FLUSH LOGS
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SQL statement\&.
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.RE
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|
.sp
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|
.RS 4
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|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
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|
.el \{\
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|
.sp -1
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|
.IP \(bu 2.3
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|
.\}
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|
flush\-privileges
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|
.sp
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Reload the grant tables (same as
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reload)\&.
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.RE
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|
.sp
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|
.RS 4
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|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
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|
.el \{\
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|
.sp -1
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|
.IP \(bu 2.3
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|
.\}
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|
flush\-status
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|
.sp
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|
Clear status variables\&.
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|
.RE
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|
.sp
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|
.RS 4
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|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
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|
.el \{\
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|
.sp -1
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|
.IP \(bu 2.3
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|
.\}
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|
flush\-tables
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|
.sp
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Flush all tables\&.
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.RE
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|
.sp
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|
.RS 4
|
|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
|
|
.el \{\
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|
.sp -1
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|
.IP \(bu 2.3
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|
.\}
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|
kill \fIid\fR,\fIid\fR,\&.\&.\&.
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.sp
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Kill server threads\&. If multiple thread ID values are given, there must be no spaces in the list\&.
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|
.sp
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|
To kill threads belonging to other users, the connected user must have the
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|
CONNECTION_ADMIN
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privilege (or the deprecated
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|
SUPER
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|
privilege)\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
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|
\h'-04'\(bu\h'+03'\c
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|
.\}
|
|
.el \{\
|
|
.sp -1
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|
.IP \(bu 2.3
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|
.\}
|
|
password \fInew_password\fR
|
|
.sp
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|
Set a new password\&. This changes the password to
|
|
\fInew_password\fR
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|
for the account that you use with
|
|
\fBmysqladmin\fR
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|
for connecting to the server\&. Thus, the next time you invoke
|
|
\fBmysqladmin\fR
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|
(or any other client program) using the same account, you must specify the new password\&.
|
|
.if n \{\
|
|
.sp
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|
.\}
|
|
.RS 4
|
|
.it 1 an-trap
|
|
.nr an-no-space-flag 1
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|
.nr an-break-flag 1
|
|
.br
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|
.ps +1
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|
\fBWarning\fR
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|
.ps -1
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|
.br
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|
Setting a password using
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\fBmysqladmin\fR
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should be considered
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\fIinsecure\fR\&. On some systems, your password becomes visible to system status programs such as
|
|
\fBps\fR
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|
that may be invoked by other users to display command lines\&. MySQL clients typically overwrite the command\-line password argument with zeros during their initialization sequence\&. However, there is still a brief interval during which the value is visible\&. Also, on some systems this overwriting strategy is ineffective and the password remains visible to
|
|
\fBps\fR\&. (SystemV Unix systems and perhaps others are subject to this problem\&.)
|
|
.sp .5v
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|
.RE
|
|
If the
|
|
\fInew_password\fR
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|
value contains spaces or other characters that are special to your command interpreter, you need to enclose it within quotation marks\&. On Windows, be sure to use double quotation marks rather than single quotation marks; single quotation marks are not stripped from the password, but rather are interpreted as part of the password\&. For example:
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
mysqladmin password "my new password"
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
The new password can be omitted following the
|
|
password
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|
command\&. In this case,
|
|
\fBmysqladmin\fR
|
|
prompts for the password value, which enables you to avoid specifying the password on the command line\&. Omitting the password value should be done only if
|
|
password
|
|
is the final command on the
|
|
\fBmysqladmin\fR
|
|
command line\&. Otherwise, the next argument is taken as the password\&.
|
|
.if n \{\
|
|
.sp
|
|
.\}
|
|
.RS 4
|
|
.it 1 an-trap
|
|
.nr an-no-space-flag 1
|
|
.nr an-break-flag 1
|
|
.br
|
|
.ps +1
|
|
\fBCaution\fR
|
|
.ps -1
|
|
.br
|
|
Do not use this command used if the server was started with the
|
|
\fB\-\-skip\-grant\-tables\fR
|
|
option\&. No password change is applied\&. This is true even if you precede the
|
|
password
|
|
command with
|
|
flush\-privileges
|
|
on the same command line to re\-enable the grant tables because the flush operation occurs after you connect\&. However, you can use
|
|
\fBmysqladmin flush\-privileges\fR
|
|
to re\-enable the grant table and then use a separate
|
|
\fBmysqladmin password\fR
|
|
command to change the password\&.
|
|
.sp .5v
|
|
.RE
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
ping
|
|
.sp
|
|
Check whether the server is available\&. The return status from
|
|
\fBmysqladmin\fR
|
|
is 0 if the server is running, 1 if it is not\&. This is 0 even in case of an error such as
|
|
Access denied, because this means that the server is running but refused the connection, which is different from the server not running\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
processlist
|
|
.sp
|
|
Show a list of active server threads\&. This is like the output of the
|
|
SHOW PROCESSLIST
|
|
statement\&. If the
|
|
\fB\-\-verbose\fR
|
|
option is given, the output is like that of
|
|
SHOW FULL PROCESSLIST\&. (See
|
|
Section\ \&15.7.7.31, \(lqSHOW PROCESSLIST Statement\(rq\&.)
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
reload
|
|
.sp
|
|
Reload the grant tables\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
refresh
|
|
.sp
|
|
Flush all tables and close and open log files\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
shutdown
|
|
.sp
|
|
Stop the server\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
start\-replica
|
|
.sp
|
|
Start replication on a replica server\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
start\-slave
|
|
.sp
|
|
This is a deprecated alias for start\-replica\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
status
|
|
.sp
|
|
Display a short server status message\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
stop\-replica
|
|
.sp
|
|
Stop replication on a replica server\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
stop\-slave
|
|
.sp
|
|
This is a deprecated alias for stop\-replica\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
variables
|
|
.sp
|
|
Display the server system variables and their values\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
version
|
|
.sp
|
|
Display version information from the server\&.
|
|
.RE
|
|
.PP
|
|
All commands can be shortened to any unique prefix\&. For example:
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
$> \fBmysqladmin proc stat\fR
|
|
+\-\-\-\-+\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-+\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-+\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+
|
|
| Id | User | Host | db | Command | Time | State | Info |
|
|
+\-\-\-\-+\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-+\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-+\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+
|
|
| 51 | jones | localhost | | Query | 0 | | show processlist |
|
|
+\-\-\-\-+\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-+\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-+\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-+
|
|
Uptime: 1473624 Threads: 1 Questions: 39487
|
|
Slow queries: 0 Opens: 541 Flush tables: 1
|
|
Open tables: 19 Queries per second avg: 0\&.0268
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.PP
|
|
The
|
|
\fBmysqladmin status\fR
|
|
command result displays the following values:
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
Uptime
|
|
.sp
|
|
The number of seconds the MySQL server has been running\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
Threads
|
|
.sp
|
|
The number of active threads (clients)\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
Questions
|
|
.sp
|
|
The number of questions (queries) from clients since the server was started\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
Slow queries
|
|
.sp
|
|
The number of queries that have taken more than
|
|
long_query_time
|
|
seconds\&. See
|
|
Section\ \&7.4.5, \(lqThe Slow Query Log\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
Opens
|
|
.sp
|
|
The number of tables the server has opened\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
Flush tables
|
|
.sp
|
|
The number of
|
|
flush\-*,
|
|
refresh, and
|
|
reload
|
|
commands the server has executed\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
Open tables
|
|
.sp
|
|
The number of tables that currently are open\&.
|
|
.RE
|
|
.PP
|
|
If you execute
|
|
\fBmysqladmin shutdown\fR
|
|
when connecting to a local server using a Unix socket file,
|
|
\fBmysqladmin\fR
|
|
waits until the server\*(Aqs process ID file has been removed, to ensure that the server has stopped properly\&.
|
|
.PP
|
|
\fBmysqladmin\fR
|
|
supports the following options, which can be specified on the command line or in the
|
|
[mysqladmin]
|
|
and
|
|
[client]
|
|
groups of an option file\&. For information about option files used by MySQL programs, see
|
|
Section\ \&6.2.2.2, \(lqUsing Option Files\(rq\&.
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-help\fR,
|
|
\fB\-?\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--help
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Display a help message and exit\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-bind\-address=\fR\fB\fIip_address\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--bind-address=ip_address
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
On a computer having multiple network interfaces, use this option to select which interface to use for connecting to the MySQL server\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-character\-sets\-dir=\fR\fB\fIdir_name\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--character-sets-dir=path
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
[none]
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The directory where character sets are installed\&. See
|
|
Section\ \&12.15, \(lqCharacter Set Configuration\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-compress\fR,
|
|
\fB\-C\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--compress[={OFF|ON}]
|
|
T}
|
|
T{
|
|
Deprecated
|
|
T}:T{
|
|
Yes
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Boolean
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
OFF
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Compress all information sent between the client and the server if possible\&. See
|
|
Section\ \&6.2.8, \(lqConnection Compression Control\(rq\&.
|
|
.sp
|
|
This option is deprecated\&. Expect it to be removed in a future version of MySQL\&. See
|
|
the section called \(lqConfiguring Legacy Connection Compression\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-compression\-algorithms=\fR\fB\fIvalue\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--compression-algorithms=value
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Set
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
uncompressed
|
|
T}
|
|
T{
|
|
Valid Values
|
|
T}:T{
|
|
.PP
|
|
zlib
|
|
.PP
|
|
zstd
|
|
.PP
|
|
uncompressed
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The permitted compression algorithms for connections to the server\&. The available algorithms are the same as for the
|
|
protocol_compression_algorithms
|
|
system variable\&. The default value is
|
|
uncompressed\&.
|
|
.sp
|
|
For more information, see
|
|
Section\ \&6.2.8, \(lqConnection Compression Control\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-connect\-timeout=\fR\fB\fIvalue\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--connect-timeout=value
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Numeric
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
43200
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The maximum number of seconds before connection timeout\&. The default value is 43200 (12 hours)\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-count=\fR\fB\fIN\fR\fR,
|
|
\fB\-c \fR\fB\fIN\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--count=#
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The number of iterations to make for repeated command execution if the
|
|
\fB\-\-sleep\fR
|
|
option is given\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-debug[=\fR\fB\fIdebug_options\fR\fR\fB]\fR,
|
|
\fB\-# [\fR\fB\fIdebug_options\fR\fR\fB]\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--debug[=debug_options]
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
d:t:o,/tmp/mysqladmin.trace
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Write a debugging log\&. A typical
|
|
\fIdebug_options\fR
|
|
string is
|
|
d:t:o,\fIfile_name\fR\&. The default is
|
|
d:t:o,/tmp/mysqladmin\&.trace\&.
|
|
.sp
|
|
This option is available only if MySQL was built using
|
|
\fBWITH_DEBUG\fR\&. MySQL release binaries provided by Oracle are
|
|
\fInot\fR
|
|
built using this option\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-debug\-check\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--debug-check
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Boolean
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
FALSE
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Print some debugging information when the program exits\&.
|
|
.sp
|
|
This option is available only if MySQL was built using
|
|
\fBWITH_DEBUG\fR\&. MySQL release binaries provided by Oracle are
|
|
\fInot\fR
|
|
built using this option\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-debug\-info\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--debug-info
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Boolean
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
FALSE
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Print debugging information and memory and CPU usage statistics when the program exits\&.
|
|
.sp
|
|
This option is available only if MySQL was built using
|
|
\fBWITH_DEBUG\fR\&. MySQL release binaries provided by Oracle are
|
|
\fInot\fR
|
|
built using this option\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-default\-auth=\fR\fB\fIplugin\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--default-auth=plugin
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
A hint about which client\-side authentication plugin to use\&. See
|
|
Section\ \&8.2.17, \(lqPluggable Authentication\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-default\-character\-set=\fR\fB\fIcharset_name\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--default-character-set=charset_name
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Use
|
|
\fIcharset_name\fR
|
|
as the default character set\&. See
|
|
Section\ \&12.15, \(lqCharacter Set Configuration\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-defaults\-extra\-file=\fR\fB\fIfile_name\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--defaults-extra-file=file_name
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
File name
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Read this option file after the global option file but (on Unix) before the user option file\&. If the file does not exist or is otherwise inaccessible, an error occurs\&. If
|
|
\fIfile_name\fR
|
|
is not an absolute path name, it is interpreted relative to the current directory\&.
|
|
.sp
|
|
For additional information about this and other option\-file options, see
|
|
Section\ \&6.2.2.3, \(lqCommand-Line Options that Affect Option-File Handling\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-defaults\-file=\fR\fB\fIfile_name\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--defaults-file=file_name
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
File name
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Use only the given option file\&. If the file does not exist or is otherwise inaccessible, an error occurs\&. If
|
|
\fIfile_name\fR
|
|
is not an absolute path name, it is interpreted relative to the current directory\&.
|
|
.sp
|
|
Exception: Even with
|
|
\fB\-\-defaults\-file\fR, client programs read
|
|
\&.mylogin\&.cnf\&.
|
|
.sp
|
|
For additional information about this and other option\-file options, see
|
|
Section\ \&6.2.2.3, \(lqCommand-Line Options that Affect Option-File Handling\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-defaults\-group\-suffix=\fR\fB\fIstr\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--defaults-group-suffix=str
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Read not only the usual option groups, but also groups with the usual names and a suffix of
|
|
\fIstr\fR\&. For example,
|
|
\fBmysqladmin\fR
|
|
normally reads the
|
|
[client]
|
|
and
|
|
[mysqladmin]
|
|
groups\&. If this option is given as
|
|
\fB\-\-defaults\-group\-suffix=_other\fR,
|
|
\fBmysqladmin\fR
|
|
also reads the
|
|
[client_other]
|
|
and
|
|
[mysqladmin_other]
|
|
groups\&.
|
|
.sp
|
|
For additional information about this and other option\-file options, see
|
|
Section\ \&6.2.2.3, \(lqCommand-Line Options that Affect Option-File Handling\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-enable\-cleartext\-plugin\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--enable-cleartext-plugin
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Boolean
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
FALSE
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Enable the
|
|
mysql_clear_password
|
|
cleartext authentication plugin\&. (See
|
|
Section\ \&8.4.1.4, \(lqClient-Side Cleartext Pluggable Authentication\(rq\&.)
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-force\fR,
|
|
\fB\-f\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--force
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Do not ask for confirmation for the
|
|
drop \fIdb_name\fR
|
|
command\&. With multiple commands, continue even if an error occurs\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-get\-server\-public\-key\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--get-server-public-key
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Boolean
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Request from the server the public key required for RSA key pair\-based password exchange\&. This option applies to clients that authenticate with the
|
|
caching_sha2_password
|
|
authentication plugin\&. For that plugin, the server does not send the public key unless requested\&. This option is ignored for accounts that do not authenticate with that plugin\&. It is also ignored if RSA\-based password exchange is not used, as is the case when the client connects to the server using a secure connection\&.
|
|
.sp
|
|
If
|
|
\fB\-\-server\-public\-key\-path=\fR\fB\fIfile_name\fR\fR
|
|
is given and specifies a valid public key file, it takes precedence over
|
|
\fB\-\-get\-server\-public\-key\fR\&.
|
|
.sp
|
|
For information about the
|
|
caching_sha2_password
|
|
plugin, see
|
|
Section\ \&8.4.1.2, \(lqCaching SHA-2 Pluggable Authentication\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-host=\fR\fB\fIhost_name\fR\fR,
|
|
\fB\-h \fR\fB\fIhost_name\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--host=host_name
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
localhost
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Connect to the MySQL server on the given host\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-login\-path=\fR\fB\fIname\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--login-path=name
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Read options from the named login path in the
|
|
\&.mylogin\&.cnf
|
|
login path file\&. A
|
|
\(lqlogin path\(rq
|
|
is an option group containing options that specify which MySQL server to connect to and which account to authenticate as\&. To create or modify a login path file, use the
|
|
\fBmysql_config_editor\fR
|
|
utility\&. See
|
|
mysql_config_editor(1)\&.
|
|
.sp
|
|
For additional information about this and other option\-file options, see
|
|
Section\ \&6.2.2.3, \(lqCommand-Line Options that Affect Option-File Handling\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-no\-login\-paths\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--no-login-paths
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Skips reading options from the login path file\&.
|
|
.sp
|
|
See
|
|
\fB\-\-login\-path\fR
|
|
for related information\&.
|
|
.sp
|
|
For additional information about this and other option\-file options, see
|
|
Section\ \&6.2.2.3, \(lqCommand-Line Options that Affect Option-File Handling\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-no\-beep\fR,
|
|
\fB\-b\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--no-beep
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Suppress the warning beep that is emitted by default for errors such as a failure to connect to the server\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-no\-defaults\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--no-defaults
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Do not read any option files\&. If program startup fails due to reading unknown options from an option file,
|
|
\fB\-\-no\-defaults\fR
|
|
can be used to prevent them from being read\&.
|
|
.sp
|
|
The exception is that the
|
|
\&.mylogin\&.cnf
|
|
file is read in all cases, if it exists\&. This permits passwords to be specified in a safer way than on the command line even when
|
|
\fB\-\-no\-defaults\fR
|
|
is used\&. To create
|
|
\&.mylogin\&.cnf, use the
|
|
\fBmysql_config_editor\fR
|
|
utility\&. See
|
|
mysql_config_editor(1)\&.
|
|
.sp
|
|
For additional information about this and other option\-file options, see
|
|
Section\ \&6.2.2.3, \(lqCommand-Line Options that Affect Option-File Handling\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-password[=\fR\fB\fIpassword\fR\fR\fB]\fR,
|
|
\fB\-p[\fR\fB\fIpassword\fR\fR\fB]\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--password[=password]
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The password of the MySQL account used for connecting to the server\&. The password value is optional\&. If not given,
|
|
\fBmysqladmin\fR
|
|
prompts for one\&. If given, there must be
|
|
\fIno space\fR
|
|
between
|
|
\fB\-\-password=\fR
|
|
or
|
|
\fB\-p\fR
|
|
and the password following it\&. If no password option is specified, the default is to send no password\&.
|
|
.sp
|
|
Specifying a password on the command line should be considered insecure\&. To avoid giving the password on the command line, use an option file\&. See
|
|
Section\ \&8.1.2.1, \(lqEnd-User Guidelines for Password Security\(rq\&.
|
|
.sp
|
|
To explicitly specify that there is no password and that
|
|
\fBmysqladmin\fR
|
|
should not prompt for one, use the
|
|
\fB\-\-skip\-password\fR
|
|
option\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-password1[=\fR\fB\fIpass_val\fR\fR\fB]\fR
|
|
The password for multifactor authentication factor 1 of the MySQL account used for connecting to the server\&. The password value is optional\&. If not given,
|
|
\fBmysql\fR
|
|
prompts for one\&. If given, there must be
|
|
\fIno space\fR
|
|
between
|
|
\fB\-\-password1=\fR
|
|
and the password following it\&. If no password option is specified, the default is to send no password\&.
|
|
.sp
|
|
Specifying a password on the command line should be considered insecure\&. To avoid giving the password on the command line, use an option file\&. See
|
|
Section\ \&8.1.2.1, \(lqEnd-User Guidelines for Password Security\(rq\&.
|
|
.sp
|
|
To explicitly specify that there is no password and that
|
|
\fBmysqladmin\fR
|
|
should not prompt for one, use the
|
|
\fB\-\-skip\-password1\fR
|
|
option\&.
|
|
.sp
|
|
\fB\-\-password1\fR
|
|
and
|
|
\fB\-\-password\fR
|
|
are synonymous, as are
|
|
\fB\-\-skip\-password1\fR
|
|
and
|
|
\fB\-\-skip\-password\fR\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-password2[=\fR\fB\fIpass_val\fR\fR\fB]\fR
|
|
The password for multifactor authentication factor 2 of the MySQL account used for connecting to the server\&. The semantics of this option are similar to the semantics for
|
|
\fB\-\-password1\fR; see the description of that option for details\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-password3[=\fR\fB\fIpass_val\fR\fR\fB]\fR
|
|
The password for multifactor authentication factor 3 of the MySQL account used for connecting to the server\&. The semantics of this option are similar to the semantics for
|
|
\fB\-\-password1\fR; see the description of that option for details\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-pipe\fR,
|
|
\fB\-W\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--pipe
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
On Windows, connect to the server using a named pipe\&. This option applies only if the server was started with the
|
|
named_pipe
|
|
system variable enabled to support named\-pipe connections\&. In addition, the user making the connection must be a member of the Windows group specified by the
|
|
named_pipe_full_access_group
|
|
system variable\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-plugin\-dir=\fR\fB\fIdir_name\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--plugin-dir=dir_name
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Directory name
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The directory in which to look for plugins\&. Specify this option if the
|
|
\fB\-\-default\-auth\fR
|
|
option is used to specify an authentication plugin but
|
|
\fBmysqladmin\fR
|
|
does not find it\&. See
|
|
Section\ \&8.2.17, \(lqPluggable Authentication\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-port=\fR\fB\fIport_num\fR\fR,
|
|
\fB\-P \fR\fB\fIport_num\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--port=port_num
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Numeric
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
3306
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
For TCP/IP connections, the port number to use\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-print\-defaults\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--print-defaults
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Print the program name and all options that it gets from option files\&.
|
|
.sp
|
|
For additional information about this and other option\-file options, see
|
|
Section\ \&6.2.2.3, \(lqCommand-Line Options that Affect Option-File Handling\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-protocol={TCP|SOCKET|PIPE|MEMORY}\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--protocol=type
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
[see text]
|
|
T}
|
|
T{
|
|
Valid Values
|
|
T}:T{
|
|
.PP
|
|
TCP
|
|
.PP
|
|
SOCKET
|
|
.PP
|
|
PIPE
|
|
.PP
|
|
MEMORY
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The transport protocol to use for connecting to the server\&. It is useful when the other connection parameters normally result in use of a protocol other than the one you want\&. For details on the permissible values, see
|
|
Section\ \&6.2.7, \(lqConnection Transport Protocols\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-relative\fR,
|
|
\fB\-r\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--relative
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Show the difference between the current and previous values when used with the
|
|
\fB\-\-sleep\fR
|
|
option\&. This option works only with the
|
|
extended\-status
|
|
command\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-server\-public\-key\-path=\fR\fB\fIfile_name\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--server-public-key-path=file_name
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
File name
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The path name to a file in PEM format containing a client\-side copy of the public key required by the server for RSA key pair\-based password exchange\&. This option applies to clients that authenticate with the
|
|
sha256_password
|
|
(deprecated) or
|
|
caching_sha2_password
|
|
authentication plugin\&. This option is ignored for accounts that do not authenticate with one of those plugins\&. It is also ignored if RSA\-based password exchange is not used, as is the case when the client connects to the server using a secure connection\&.
|
|
.sp
|
|
If
|
|
\fB\-\-server\-public\-key\-path=\fR\fB\fIfile_name\fR\fR
|
|
is given and specifies a valid public key file, it takes precedence over
|
|
\fB\-\-get\-server\-public\-key\fR\&.
|
|
.sp
|
|
For
|
|
sha256_password
|
|
(deprecated), this option applies only if MySQL was built using OpenSSL\&.
|
|
.sp
|
|
For information about the
|
|
sha256_password
|
|
and
|
|
caching_sha2_password
|
|
plugins, see
|
|
Section\ \&8.4.1.3, \(lqSHA-256 Pluggable Authentication\(rq, and
|
|
Section\ \&8.4.1.2, \(lqCaching SHA-2 Pluggable Authentication\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-shared\-memory\-base\-name=\fR\fB\fIname\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--shared-memory-base-name=name
|
|
T}
|
|
T{
|
|
Platform Specific
|
|
T}:T{
|
|
Windows
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
On Windows, the shared\-memory name to use for connections made using shared memory to a local server\&. The default value is
|
|
MYSQL\&. The shared\-memory name is case\-sensitive\&.
|
|
.sp
|
|
This option applies only if the server was started with the
|
|
shared_memory
|
|
system variable enabled to support shared\-memory connections\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-show\-warnings\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--show-warnings
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Show warnings resulting from execution of statements sent to the server\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-shutdown\-timeout=\fR\fB\fIvalue\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--shutdown-timeout=seconds
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Numeric
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
3600
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The maximum number of seconds to wait for server shutdown\&. The default value is 3600 (1 hour)\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-silent\fR,
|
|
\fB\-s\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--silent
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Exit silently if a connection to the server cannot be established\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-sleep=\fR\fB\fIdelay\fR\fR,
|
|
\fB\-i \fR\fB\fIdelay\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--sleep=delay
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Execute commands repeatedly, sleeping for
|
|
\fIdelay\fR
|
|
seconds in between\&. The
|
|
\fB\-\-count\fR
|
|
option determines the number of iterations\&. If
|
|
\fB\-\-count\fR
|
|
is not given,
|
|
\fBmysqladmin\fR
|
|
executes commands indefinitely until interrupted\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-socket=\fR\fB\fIpath\fR\fR,
|
|
\fB\-S \fR\fB\fIpath\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--socket={file_name|pipe_name}
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
For connections to
|
|
localhost, the Unix socket file to use, or, on Windows, the name of the named pipe to use\&.
|
|
.sp
|
|
On Windows, this option applies only if the server was started with the
|
|
named_pipe
|
|
system variable enabled to support named\-pipe connections\&. In addition, the user making the connection must be a member of the Windows group specified by the
|
|
named_pipe_full_access_group
|
|
system variable\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-ssl*\fR
|
|
Options that begin with
|
|
\fB\-\-ssl\fR
|
|
specify whether to connect to the server using encryption and indicate where to find SSL keys and certificates\&. See
|
|
the section called \(lqCommand Options for Encrypted Connections\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-ssl\-fips\-mode={OFF|ON|STRICT}\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--ssl-fips-mode={OFF|ON|STRICT}
|
|
T}
|
|
T{
|
|
Deprecated
|
|
T}:T{
|
|
Yes
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Enumeration
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
OFF
|
|
T}
|
|
T{
|
|
Valid Values
|
|
T}:T{
|
|
.PP
|
|
OFF
|
|
.PP
|
|
ON
|
|
.PP
|
|
STRICT
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Controls whether to enable FIPS mode on the client side\&. The
|
|
\fB\-\-ssl\-fips\-mode\fR
|
|
option differs from other
|
|
\fB\-\-ssl\-\fR\fB\fIxxx\fR\fR
|
|
options in that it is not used to establish encrypted connections, but rather to affect which cryptographic operations to permit\&. See
|
|
Section\ \&8.8, \(lqFIPS Support\(rq\&.
|
|
.sp
|
|
These
|
|
\fB\-\-ssl\-fips\-mode\fR
|
|
values are permitted:
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
OFF: Disable FIPS mode\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
ON: Enable FIPS mode\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
STRICT: Enable
|
|
\(lqstrict\(rq
|
|
FIPS mode\&.
|
|
.RE
|
|
.sp
|
|
.if n \{\
|
|
.sp
|
|
.\}
|
|
.RS 4
|
|
.it 1 an-trap
|
|
.nr an-no-space-flag 1
|
|
.nr an-break-flag 1
|
|
.br
|
|
.ps +1
|
|
\fBNote\fR
|
|
.ps -1
|
|
.br
|
|
If the OpenSSL FIPS Object Module is not available, the only permitted value for
|
|
\fB\-\-ssl\-fips\-mode\fR
|
|
is
|
|
OFF\&. In this case, setting
|
|
\fB\-\-ssl\-fips\-mode\fR
|
|
to
|
|
ON
|
|
or
|
|
STRICT
|
|
causes the client to produce a warning at startup and to operate in non\-FIPS mode\&.
|
|
.sp .5v
|
|
.RE
|
|
This option is deprecated\&. Expect it to be removed in a future version of MySQL\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-tls\-ciphersuites=\fR\fB\fIciphersuite_list\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--tls-ciphersuites=ciphersuite_list
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The permissible ciphersuites for encrypted connections that use TLSv1\&.3\&. The value is a list of one or more colon\-separated ciphersuite names\&. The ciphersuites that can be named for this option depend on the SSL library used to compile MySQL\&. For details, see
|
|
Section\ \&8.3.2, \(lqEncrypted Connection TLS Protocols and Ciphers\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-tls\-sni\-servername=\fR\fB\fIserver_name\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--tls-sni-servername=server_name
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
When specified, the name is passed to the
|
|
libmysqlclient
|
|
C API library using the
|
|
MYSQL_OPT_TLS_SNI_SERVERNAME
|
|
option of
|
|
mysql_options()\&. The server name is not case\-sensitive\&. To show which server name the client specified for the current session, if any, check the
|
|
Tls_sni_server_name
|
|
status variable\&.
|
|
.sp
|
|
Server Name Indication (SNI) is an extension to the TLS protocol (OpenSSL must be compiled using TLS extensions for this option to function)\&. The MySQL implementation of SNI represents the client\-side only\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-tls\-version=\fR\fB\fIprotocol_list\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--tls-version=protocol_list
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
T{
|
|
Default Value
|
|
T}:T{
|
|
.PP
|
|
TLSv1,TLSv1.1,TLSv1.2,TLSv1.3
|
|
(OpenSSL 1.1.1 or higher)
|
|
.PP
|
|
TLSv1,TLSv1.1,TLSv1.2
|
|
(otherwise)
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The permissible TLS protocols for encrypted connections\&. The value is a list of one or more comma\-separated protocol names\&. The protocols that can be named for this option depend on the SSL library used to compile MySQL\&. For details, see
|
|
Section\ \&8.3.2, \(lqEncrypted Connection TLS Protocols and Ciphers\(rq\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-user=\fR\fB\fIuser_name\fR\fR,
|
|
\fB\-u \fR\fB\fIuser_name\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--user=user_name,
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
String
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The user name of the MySQL account to use for connecting to the server\&.
|
|
.sp
|
|
If you are using the
|
|
Rewriter
|
|
plugin, grant this user the
|
|
SKIP_QUERY_REWRITE
|
|
privilege\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-verbose\fR,
|
|
\fB\-v\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--verbose
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Verbose mode\&. Print more information about what the program does\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-version\fR,
|
|
\fB\-V\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--version
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Display version information and exit\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-vertical\fR,
|
|
\fB\-E\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--vertical
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
Print output vertically\&. This is similar to
|
|
\fB\-\-relative\fR, but prints output vertically\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-wait[=\fR\fB\fIcount\fR\fR\fB]\fR,
|
|
\fB\-w[\fR\fB\fIcount\fR\fR\fB]\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--wait
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
If the connection cannot be established, wait and retry instead of aborting\&. If a
|
|
\fIcount\fR
|
|
value is given, it indicates the number of times to retry\&. The default is one time\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
\fB\-\-zstd\-compression\-level=\fR\fB\fIlevel\fR\fR
|
|
.TS
|
|
allbox tab(:);
|
|
lB l
|
|
lB l.
|
|
T{
|
|
Command-Line Format
|
|
T}:T{
|
|
--zstd-compression-level=#
|
|
T}
|
|
T{
|
|
Type
|
|
T}:T{
|
|
Integer
|
|
T}
|
|
.TE
|
|
.sp 1
|
|
The compression level to use for connections to the server that use the
|
|
zstd
|
|
compression algorithm\&. The permitted levels are from 1 to 22, with larger values indicating increasing levels of compression\&. The default
|
|
zstd
|
|
compression level is 3\&. The compression level setting has no effect on connections that do not use
|
|
zstd
|
|
compression\&.
|
|
.sp
|
|
For more information, see
|
|
Section\ \&6.2.8, \(lqConnection Compression Control\(rq\&.
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.RE
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.SH "COPYRIGHT"
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.br
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.PP
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Copyright \(co 1997, 2024, Oracle and/or its affiliates.
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.PP
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This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License.
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.PP
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This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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.PP
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You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.
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.sp
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.SH "SEE ALSO"
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For more information, please refer to the MySQL Reference Manual,
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which may already be installed locally and which is also available
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online at http://dev.mysql.com/doc/.
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.SH AUTHOR
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Oracle Corporation (http://dev.mysql.com/).
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