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97 lines
4.2 KiB
97 lines
4.2 KiB
3 months ago
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'\" t
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.\" Title: \fBmysqld\fR
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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: 09/06/2019
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.\" Manual: MySQL Database System
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.\" Source: MySQL 8.0
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.\" Language: English
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.\"
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.TH "\FBMYSQLD\FR" "8" "09/06/2019" "MySQL 8\&.0" "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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mysqld \- the MySQL server
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.SH "SYNOPSIS"
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.HP \w'\fBmysqld\ [\fR\fB\fIoptions\fR\fR\fB]\fR\ 'u
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\fBmysqld [\fR\fB\fIoptions\fR\fR\fB]\fR
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.SH "DESCRIPTION"
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.PP
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\fBmysqld\fR, also known as MySQL Server, is the main program that does most of the work in a MySQL installation\&. MySQL Server manages access to the MySQL data directory that contains databases and tables\&. The data directory is also the default location for other information such as log files and status files\&.
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.if n \{\
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.sp
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.\}
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.RS 4
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.it 1 an-trap
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.nr an-no-space-flag 1
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.nr an-break-flag 1
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.br
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.ps +1
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\fBNote\fR
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.ps -1
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.br
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.PP
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Some installation packages contain a debugging version of the server named
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\fBmysqld\-debug\fR\&. Invoke this version instead of
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\fBmysqld\fR
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for debugging support, memory allocation checking, and trace file support (see
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Section\ \&29.5.1.2, \(lqCreating Trace Files\(rq)\&.
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.sp .5v
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.RE
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.PP
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When MySQL server starts, it listens for network connections from client programs and manages access to databases on behalf of those clients\&.
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.PP
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The
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\fBmysqld\fR
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program has many options that can be specified at startup\&. For a complete list of options, run this command:
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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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shell> \fBmysqld \-\-verbose \-\-help\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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MySQL Server also has a set of system variables that affect its operation as it runs\&. System variables can be set at server startup, and many of them can be changed at runtime to effect dynamic server reconfiguration\&. MySQL Server also has a set of status variables that provide information about its operation\&. You can monitor these status variables to access runtime performance characteristics\&.
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.PP
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For a full description of MySQL Server command options, system variables, and status variables, see
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Section\ \&5.1, \(lqThe MySQL Server\(rq\&. For information about installing MySQL and setting up the initial configuration, see
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Chapter\ \&2, Installing and Upgrading MySQL\&.
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.SH "COPYRIGHT"
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.br
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.PP
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Copyright \(co 1997, 2019, Oracle and/or its affiliates. All rights reserved.
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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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