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mysqldump(1) MySQL database mysqldump(1)
NAME
mysqldump - text-based client for dumping or backing up mysql databases , tables and or
data.
USAGE
mysqldump [OPTIONS] database [tables]
OR mysqldump [OPTIONS] --databases [OPTIONS] DB1 [DB2 DB3...]
OR mysqldump [OPTIONS] --all-databases [OPTIONS]
OPTION SYNOPSIS
mysqldump [-A|--all-databases] [-a|--all] [-#|--debug=...] [--character-sets-dir=...]
[-?|--help] [-B|--databases] [-c|--complete-insert] [-C|--compress] [--default-character-
set=...] [-e|--extended-insert] [--add-drop-table] [--add-locks] [--allow-keywords]
[--delayed-insert] [-F|--flush-logs] [-f|--force] [-h|--host=...] [-l|--lock-tables]
[-n|--no-create-db] [-t|--no-create-info] [-d|--no-data] [-O|--set-variablevar=option]
[--opt] [-p|--password[=...]] [-P|--port=...] [-q|--quick] [-Q|--quote-names]
[-S|--socket=...] [--tables] [-T|--tab=...] [-u|--user=#] [-v|--verbose] [-V|--version]
[-w|--where=] [--delayed] [-e|--extended-insert] [--fields-terminated-by=...]
[--fields-enclosed-by=...] [--fields-optionally-enclosed-by=...]
[--fields-escaped-by=...] [--lines-terminated-by=...] [-v|--verbose] [-V|--version] [-O
net_buffer_length=#, where # < 16M]
DESCRIPTION
Dumping definition and data mysql database or table mysqldump supports by executing
-A|--all-databases
Dump all the databases. This will be same as --databases with all databases
selected.
-a|--all
Include all MySQL specific create options.
-#|--debug=...
Output debug log. Often this is ’d:t:o,filename‘.
--character-sets-dir=...
Directory where character sets are
-?|--help
Display this help message and exit.
-B|--databases
To dump several databases. Note the difference in usage; In this case no tables are
given. All name arguments are regarded as databasenames.
-c|--complete-insert
Use complete insert statements.
-C|--compress
Use compression in server/client protocol.
--default-character-set=...
Set the default character set
-e|--extended-insert
Allows utilization of the new, much faster INSERT syntax.
--add-drop-table
Add a ’drop table’ before each create.
--add-locks
Add locks around insert statements.
--allow-keywords
Allow creation of column names that are keywords.
--delayed-insert
Insert rows with INSERT DELAYED.
-F|--flush-logs
Flush logs file in server before starting dump.
-f|--force
Continue even if we get an sql-error.
-h|--host=...
Connect to host.
-l|--lock-tables
Lock all tables for read.
-n|--no-create-db
’CREATE DATABASE /*!32312 IF NOT EXISTS*/ db_name;’ will not be put in the output.
The above line will be added otherwise, if --databases or --all-databases option
was given.
-t|--no-create-info
Don’t write table creation info.
-d|--no-data
No row information.
-O|--set-variable var=option
give a variable a value. --help lists variables
--opt Same as --add-drop-table --add-locks --all --extended-insert --quick --lock-tables
-p|--password[=...]
Password to use when connecting to server. If password is not given it’s solicited
on the tty.
-P|--port=...
Port number to use for connection.
-q|--quick
Don’t buffer query, dump directly to stdout.
-Q|--quote-names
Quote table and column names with ‘
-S|--socket=...
Socket file to use for connection.
--tables
Overrides option --databases(-B).
-T|--tab=...
Creates tab separated textfile for each table to given path. (creates .sql and .txt
files). NOTE: This only works if mysqldump is run on the same machine as the
mysqld daemon.
-u|--user=#
User for login if not current user.
-v|--verbose
Print info about the various stages.
-V|--version
Output version information and exit.
-w|--where=
dump only selected records; QUOTES mandatory!
--delayed
Insert rows with the INSERT DELAYED command.
-e|--extended-insert
Use the new multiline INSERT syntax. (Gives more compact and faster inserts state-
ments.)
--fields-terminated-by=...
--fields-enclosed-by=...
--fields-optionally-enclosed-by=...
--fields-escaped-by=...
--lines-terminated-by=...
These options are used with the -T option and have the same meaning as the
corresponding clauses for LOAD DATA INFILE. See Mysql manual section 7.23
LOAD DATA INFILE Syntax.
-v|--verbose
Verbose mode. Print out more information on what the program does.
-V|--version
Print version information and exit.
-O net_buffer_length=#, where # < 16M
When creating multi-row-insert statements (as with option --extended-insert
or --opt ), mysqldump will create rows up to net_buffer_length length. If
you increase this variable, you should also ensure that the
max_allowed_packet variable in the MySQL server is bigger than the
net_buffer_length.
EXAMPLES
The most normal use of mysqldump is probably for making a backup of whole
databases. See Mysql Manual section 21.2 Database Backups.
mysqldump --opt database > backup-file.sql
You can read this back into MySQL with:
mysql database < backup-file.sql
or
mysql -e ’source /patch-to-backup/backup-file.sql’ database
However, it’s also very useful to populate another MySQL server with information
from a database:
mysqldump --opt database | mysql --host=remote-host -C database
It is possible to dump several databases with one command:
mysqldump --databases database1 [ database2 database3... ] > my_databases.sql
If all the databases are wanted, one can use:
mysqldump --all-databases > all_databases.sql
SEE ALSO
isamchk (1), isamlog (1), mysqlaccess (1), mysqladmin (1), mysqlbug (1), mysqld
(1), mysqldump (1), mysqlshow (1), msql2mysql (1), perror (1), replace (1),
safe_mysqld (1), which1 (1), zap (1),
AUTHOR
Ver 1.0, distribution 3.23.29a Michael (Monty) Widenius (monty AT tcx.se), TCX
Datakonsult AB (http://www.tcx.se). This software comes with no warranty. Manual
page by L. (Kill-9) Pedersen (kill-9 AT kill-9.dk), Mercurmedia Data Model Architect /
system developer (http://www.mercurmedia.com)
MySQL 3.23 19 December 2000 mysqldump(1)
Generated by $Id: phpMan.php,v 4.54 2007/08/21 09:05:22 chedong Exp $ Author: Che Dong
On Apache/1.3.33 (Unix) PHP/4.3.10
Under GNU General Public License
2008-09-05 13:06 @38.103.63.61 CrawledBy CCBot/1.0 (+http://www.commoncrawl.org/bot.html)