Parameters of mysqldump

from :http://www.cnblogs.com/qq78292959/p/3637135.html

Mysqldump Parameters （ The parameter comes from mysql5.5.19 Source code ）

 

Parameters

Parameter description

--all-databases  , -A

Export all databases .

mysqldump  -uroot -p --all-databases

--all-tablespaces  , -Y

Export all tablespaces .

mysqldump  -uroot -p --all-databases --all-tablespaces

--no-tablespaces  , -y

Do not export any tablespace information .

mysqldump  -uroot -p --all-databases --no-tablespaces

--add-drop-database

Add... Before each database is created drop Database statement .

mysqldump  -uroot -p --all-databases --add-drop-database

--add-drop-table

Add... Before each data table is created drop Data table statements .( The default is on , Use --skip-add-drop-table Cancel options )

mysqldump  -uroot -p --all-databases  ( Default add drop sentence )

mysqldump  -uroot -p --all-databases –skip-add-drop-table  ( Cancel drop sentence )

--add-locks

Add... Before each table export LOCK TABLES And then UNLOCK  TABLE.( The default is on , Use --skip-add-locks Cancel options )

mysqldump  -uroot -p --all-databases  ( Default add LOCK sentence )

mysqldump  -uroot -p --all-databases –skip-add-locks   ( Cancel LOCK sentence )

--allow-keywords

Allow to create column names that are keywords . This is done by prefixing the table name with each column name .

mysqldump  -uroot -p --all-databases --allow-keywords

--apply-slave-statements

stay 'CHANGE MASTER' Add before 'STOP SLAVE', And add... At the end of the export 'START SLAVE'.

mysqldump  -uroot -p --all-databases --apply-slave-statements

--character-sets-dir

Directory of character set files

mysqldump  -uroot -p --all-databases  --character-sets-dir=/usr/local/mysql/share/mysql/charsets

--comments

Additional notes . It is on by default , It can be used --skip-comments Cancel

mysqldump  -uroot -p --all-databases  ( Default record comment )

mysqldump  -uroot -p --all-databases --skip-comments   ( uncomment )

--compatible

The exported data will be compared with other databases or old versions of MySQL  Compatible with . The value can be ansi、mysql323、mysql40、postgresql、oracle、mssql、db2、maxdb、no_key_options、no_tables_options、no_field_options etc. ,

Use a few values , Separate them with commas . It's not guaranteed to be fully compatible , But try to be compatible .

mysqldump  -uroot -p --all-databases --compatible=ansi

--compact

Export less output information ( For debugging ). Get rid of the comments and the head and tail structures . Options available ：--skip-add-drop-table  --skip-add-locks --skip-comments --skip-disable-keys

mysqldump  -uroot -p --all-databases --compact

--complete-insert,  -c

Use the complete insert sentence ( Include column names ). This can improve insertion efficiency , But there may be max_allowed_packet The parameter causes the insert to fail .

mysqldump  -uroot -p --all-databases --complete-insert

--compress, -C

Enable compression to pass all information between client and server

mysqldump  -uroot -p --all-databases --compress

--create-options,  -a

stay CREATE TABLE The statement includes all MySQL Feature options .( The default is on )

mysqldump  -uroot -p --all-databases

--databases,  -B

Export several databases . All name parameters after the parameter are treated as database names .

mysqldump  -uroot -p --databases test mysql

--debug

Output debug Information , For debugging . The default value is ：d:t:o,/tmp/mysqldump.trace

mysqldump  -uroot -p --all-databases --debug

mysqldump  -uroot -p --all-databases --debug=” d:t:o,/tmp/debug.trace”

--debug-check

Check memory and open file instructions and exit .

mysqldump  -uroot -p --all-databases --debug-check

--debug-info

Output debugging information and exit

mysqldump  -uroot -p --all-databases --debug-info

--default-character-set

Set default character set , The default value is utf8

mysqldump  -uroot -p --all-databases --default-character-set=latin1

--delayed-insert

Delay insertion mode is adopted （INSERT DELAYED） Derived data

mysqldump  -uroot -p --all-databases --delayed-insert

--delete-master-logs

master Delete log after backup .  This parameter will automatically activate --master-data.

mysqldump  -uroot -p --all-databases --delete-master-logs

--disable-keys

For each table , use /*!40000 ALTER TABLE tbl_name DISABLE KEYS */; and /*!40000 ALTER TABLE tbl_name ENABLE KEYS */; Statement reference INSERT sentence . This allows for faster import of dump The document came out , Because it creates the index after inserting all the rows . This option is only for MyISAM surface , The default is on .

mysqldump  -uroot -p --all-databases 

--dump-slave

This option will result in the main binlog The location and filename are appended to the exported data file . Set to 1 when , Will take CHANGE MASTER Command output to data file ; Set to 2 when , Add a description before the command . This option will turn on --lock-all-tables, Unless --single-transaction To be designated . This option turns off automatically --lock-tables Options . The default value is 0.

mysqldump  -uroot -p --all-databases --dump-slave=1

mysqldump  -uroot -p --all-databases --dump-slave=2

--events, -E

Export Events .

mysqldump  -uroot -p --all-databases --events

--extended-insert,  -e

Use with multiple VALUES Column INSERT grammar . This makes the export file smaller , And speed up the import . The default is on , Use --skip-extended-insert Cancel options .

mysqldump  -uroot -p --all-databases

mysqldump  -uroot -p --all-databases--skip-extended-insert   ( Cancel options )

--fields-terminated-by

Ignore given field in export file . And --tab Use options together , Cannot be used for --databases and --all-databases Options

mysqldump  -uroot -p test test --tab=”/home/mysql” --fields-terminated-by=”#”

--fields-enclosed-by

The fields in the output file are wrapped in the given characters . And --tab Use options together , Cannot be used for --databases and --all-databases Options

mysqldump  -uroot -p test test --tab=”/home/mysql” --fields-enclosed-by=”#”

--fields-optionally-enclosed-by

Each field in the output file is optionally wrapped with a given character . And --tab Use options together , Cannot be used for --databases and --all-databases Options

mysqldump  -uroot -p test test --tab=”/home/mysql”  --fields-enclosed-by=”#” --fields-optionally-enclosed-by  =”#”

--fields-escaped-by

The fields in the output file ignore the given characters . And --tab Use options together , Cannot be used for --databases and --all-databases Options

mysqldump  -uroot -p mysql user --tab=”/home/mysql” --fields-escaped-by=”#”

--flush-logs

Refresh log before starting export .

Please note that ： If you export more than one database at a time ( Use options --databases perhaps --all-databases), The logs will be refreshed database by database . In addition to using --lock-all-tables perhaps --master-data Outside . under these circumstances , The log will be refreshed once , Accordingly, all tables are locked at the same time . therefore , If you plan to export and refresh logs at the same time, you should use --lock-all-tables  perhaps --master-data  and --flush-logs.

mysqldump  -uroot -p --all-databases --flush-logs

--flush-privileges

Exporting mysql After database , Send out a FLUSH  PRIVILEGES  sentence . In order to recover correctly , This option should be used to export mysql Databases and dependencies mysql Any time the database data .

mysqldump  -uroot -p --all-databases --flush-privileges

--force

Ignore the occurrence of SQL error .

mysqldump  -uroot -p --all-databases --force

--help

Display help message and exit .

mysqldump  --help

--hex-blob

Exporting binary string fields in hexadecimal format . You have to use this option if you have binary data . The types of fields affected are BINARY、VARBINARY、BLOB.

mysqldump  -uroot -p --all-databases --hex-blob

--host, -h

Host information to be exported

mysqldump  -uroot -p --host=localhost --all-databases

--ignore-table

Do not export the specified table . Specifies that when multiple tables are ignored , It needs to be repeated many times , One watch at a time . Each table must specify both the database and the table name . for example ：--ignore-table=database.table1 --ignore-table=database.table2 ……

mysqldump  -uroot -p --host=localhost --all-databases --ignore-table=mysql.user

--include-master-host-port

stay --dump-slave Produced 'CHANGE  MASTER TO..' Add in statement 'MASTER_HOST=<host>,MASTER_PORT=<port>'  

mysqldump  -uroot -p --host=localhost --all-databases --include-master-host-port

--insert-ignore

Use... When inserting rows INSERT IGNORE sentence .

mysqldump  -uroot -p --host=localhost --all-databases --insert-ignore

--lines-terminated-by

Each line of the output file is divided by a given string . And --tab Use options together , Cannot be used for --databases and --all-databases Options .

mysqldump  -uroot -p --host=localhost test test --tab=”/tmp/mysql”  --lines-terminated-by=”##”

--lock-all-tables,  -x

Submit request to lock all tables in all databases , To ensure data consistency . This is a global read lock , And automatically turn off --single-transaction  and --lock-tables  Options .

mysqldump  -uroot -p --host=localhost --all-databases --lock-all-tables

--lock-tables,  -l

Before you start exporting , Lock all tables . use READ  LOCAL Lock the table to allow MyISAM Table inserts in parallel . For tables that support transactions, for example InnoDB and BDB,--single-transaction It's a better choice , Because it doesn't need to lock the table at all .

Note that when exporting multiple databases ,--lock-tables Lock tables for each database separately . therefore , This option does not guarantee the logical consistency of the tables in the export file between databases . The export status of different database tables can be completely different .

mysqldump  -uroot -p --host=localhost --all-databases --lock-tables

--log-error

Attach warning and error messages to the given file

mysqldump  -uroot -p --host=localhost --all-databases  --log-error=/tmp/mysqldump_error_log.err

--master-data

This option will binlog The location and filename of are appended to the output file . If 1, Will be output CHANGE MASTER  command ; If 2, Output CHANGE  MASTER Add comment information before command . This option will turn on --lock-all-tables  Options , Unless --single-transaction It's also assigned （ under these circumstances , Global read locks get a very short time at the beginning of export ; For other information, please refer to --single-transaction Options ）. This option turns off automatically --lock-tables Options .

mysqldump  -uroot -p --host=localhost --all-databases --master-data=1;

mysqldump  -uroot -p --host=localhost --all-databases --master-data=2;

--max_allowed_packet

Maximum packet length sent and received by the server .

mysqldump  -uroot -p --host=localhost --all-databases --max_allowed_packet=10240

--net_buffer_length

TCP/IP and socket The cache size of the connection .

mysqldump  -uroot -p --host=localhost --all-databases --net_buffer_length=1024

--no-autocommit

Use autocommit/commit  Statement package table .

mysqldump  -uroot -p --host=localhost --all-databases --no-autocommit

--no-create-db,  -n

Export data only , Without adding CREATE DATABASE  sentence .

mysqldump  -uroot -p --host=localhost --all-databases --no-create-db

--no-create-info,  -t

Export data only , Without adding CREATE TABLE  sentence .

mysqldump  -uroot -p --host=localhost --all-databases --no-create-info

--no-data, -d

Don't export any data , Only export database table structure .

mysqldump  -uroot -p --host=localhost --all-databases --no-data

--no-set-names,  -N

Equate to --skip-set-charset

mysqldump  -uroot -p --host=localhost --all-databases --no-set-names

--opt

Equate to --add-drop-table,  --add-locks, --create-options, --quick, --extended-insert, --lock-tables,  --set-charset, --disable-keys  This option is on by default ,   It can be used --skip-opt Ban .

mysqldump  -uroot -p --host=localhost --all-databases --opt

--order-by-primary

If there is a primary key , Or the first unique key , Sort the records of each table . Exporting MyISAM Table to InnoDB The watch is valid , But it will take a long time to export . 

mysqldump  -uroot -p --host=localhost --all-databases --order-by-primary

--password, -p

Connection database password

--pipe(windows System available )

Use named pipe connections mysql

mysqldump  -uroot -p --host=localhost --all-databases --pipe

--port, -P

Connection database port number

--protocol

Connection protocol used , Include ：tcp, socket, pipe, memory.

mysqldump  -uroot -p --host=localhost --all-databases --protocol=tcp

--quick, -q

Do not buffer queries , Export directly to standard output . The default is on , Use --skip-quick Cancel this option .

mysqldump  -uroot -p --host=localhost --all-databases 

mysqldump  -uroot -p --host=localhost --all-databases --skip-quick

--quote-names,-Q

Use （`） Cause table and column names . The default is on , Use --skip-quote-names Cancel this option .

mysqldump  -uroot -p --host=localhost --all-databases

mysqldump  -uroot -p --host=localhost --all-databases --skip-quote-names

--replace

Use REPLACE INTO  replace INSERT INTO.

mysqldump  -uroot -p --host=localhost --all-databases --replace

--result-file,  -r

Output directly to the specified file . This option should be used for use with carriage return linefeed pairs （\\r\\n） On a line feed system （ for example ：DOS,Windows）. This option ensures that only one line is used .

mysqldump  -uroot -p --host=localhost --all-databases --result-file=/tmp/mysqldump_result_file.txt

--routines, -R

Export stored procedures and custom functions .

mysqldump  -uroot -p --host=localhost --all-databases --routines

--set-charset

add to 'SET NAMES  default_character_set' To the output file . The default is on , Use --skip-set-charset Turn off options .

mysqldump  -uroot -p --host=localhost --all-databases 

mysqldump  -uroot -p --host=localhost --all-databases --skip-set-charset

--single-transaction

This option submits a... Before exporting the data BEGIN SQL sentence ,BEGIN  It will not block any application and can guarantee the consistency state of database when exporting . It only works with multi version storage engines , only InnoDB. This option and --lock-tables  Options are mutually exclusive , because LOCK  TABLES  Any pending transactions will be implicitly committed . If you want to export a large watch , Should be used in combination with --quick  Options .

mysqldump  -uroot -p --host=localhost --all-databases --single-transaction

--dump-date

Add the export time to the output file . The default is on , Use --skip-dump-date Turn off options .

mysqldump  -uroot -p --host=localhost --all-databases

mysqldump  -uroot -p --host=localhost --all-databases --skip-dump-date

--skip-opt

Ban –opt Options .

mysqldump  -uroot -p --host=localhost --all-databases --skip-opt

--socket,-S

Specify the connection mysql Of socket file location , The default path /tmp/mysql.sock

mysqldump  -uroot -p --host=localhost --all-databases --socket=/tmp/mysqld.sock

--tab,-T

Create... For each table at a given path tab Split text file . Be careful ： Only for mysqldump and mysqld The server runs on the same machine .

mysqldump  -uroot -p --host=localhost test test --tab="/home/mysql"

--tables

Cover --databases (-B) Parameters , Specify the name of the table to export .

mysqldump  -uroot -p --host=localhost --databases test --tables test

--triggers

Export trigger . This option is enabled by default , use --skip-triggers Disable it .

mysqldump  -uroot -p --host=localhost --all-databases --triggers

--tz-utc

Set the time zone at the top of the export TIME_ZONE='+00:00' , In order to ensure the export of TIMESTAMP  The correctness of data or data when it is moved to another time zone .

mysqldump  -uroot -p --host=localhost --all-databases --tz-utc

--user, -u

Specify the user name of the connection .

--verbose, --v

Output multiple platform information .

--version, -V

Output mysqldump Version information and exit

--where, -w

Dump only the given WHERE Record of condition selection . Note that if the condition contains a command interpreter specific space or character , Be sure to refer to the conditions .

mysqldump  -uroot -p --host=localhost --all-databases --where=” user=’root’”

--xml, -X

export XML Format .

mysqldump  -uroot -p --host=localhost --all-databases --xml

--plugin_dir

Directory of the client plug-in , For compatibility with different plug-in versions .

mysqldump  -uroot -p --host=localhost --all-databases --plugin_dir=”/usr/local/lib/plugin”

--default_auth

The client plug-in is authorized by default .

mysqldump  -uroot -p --host=localhost --all-databases --default-auth=”/usr/local/lib/plugin/<PLUGIN>”