mysqldump and restore

Mysqldump is a command code of mysql. It is often used to back up databases or data tables. Next we will introduce the usage of mysqldump. Mysqldump is a command code of mysql. It is often used to back up databases or data tables. Next we will introduce the usage of mysqldump. Backup Data: The Code is as f

-privilegesTo back up a database named MySQL with the Refresh permission command --quick mysqldumpYou can retrieve and dump table content by row, or you can retrieve the entire contents of a table and buffer the content in memory before dumping. If you are dump a large table, there may be a problem in the buffer. The--quick option forces the contents of the table to be retrieved and dumped on rows without first buffering the content | gzipis to compress the content directly. 2.

To restore a database: The code is as follows Copy Code Mysql-h Localhost-u root-p123456 www To back up a database: The code is as follows Copy Code Mysqldump-h localhost-u root-p123456 www > d:/www2008-2-26.sql Local:1. Into the MySQL directory under the bin folder: E: Enter; E:>CD Mysqlbin Carriage return 2. Export database:

MySQL Tutorial dump data structure and database tutorial backup Restore method Mysqldump output table structure and data a series of SQL commands stored in a text fileC:mysqlbinmysqldump-u Backing up a database C:mysqlbinmysqldump-u root-p mydatabase > Mydatabase.sql We can also choose to output just a table from the database, such as the employee table: C:mysqlbinmysqldump-u root-p MyDatabase Employe

Restore a database: mysql-h localhost-u root-p123456 Www Back up a database: mysqldump-h localhost-u root-p123456 www > d:\www2008-2-26.sql The following is a test in a program $command = "Mysqldump--opt-h $dbhost-u $dbuser-P $dbpass $dbname | gzip > $backupFile "; $command = "Mysqldump-h localhost-u root-p123456 gue

this setting increases the file performance, applications that cannot process long file names and computers the use Different code pages might not being able to find the files.---------------------------------------------------------------------------------------------------------GetShortPathName get long file name corresponding to the 8.3 format of the short file name when Windows entered the long file name era, so the DOS era of 8.3 format files are not used,But sometimes the 8.3 format file

Because the database disk space in the work is too small, the database backup file is more, consider from the. SQL backup file to. sql.gz format, so that the backup file is reduced to 10 times times the original, disk tension is still very considerable.Backup command:/usr/local/mysql/bin/mysqldump-r-uroot-pmysql WordPress |gzip >/root/db_back/manual/$curdate/wordpress-$ Curdate.sql.gzRestore command:Gunzip This article is from the "less stubborn" blog

The export data instance is as follows:Note: There are spaces behind-h and no spaces behind-u,-pImport data as follows:　　PHP uses mysqldump to back up the database (and restore)

MYSQLDUMP backup and restoration MYSQL database mysqldump [OPTIONS] database [tables] If no table is specified, the entire database will be exported. Run mysqldump-hhostname-uusername-ppassword databasename> backupfile. SQL to back up a MySQL database in the format of a table with deletionBacking up a MySQL database is in the format of a table with deletion, so t

Copy codeThe Code is as follows:Mysqldump-u user-p db tab1 tab2> db. SQLRestoreCopy codeThe Code is as follows:Mysql-u user-p db Refer:1. copy backup files: (ensure that the database has no write operations (you can lock the Table). Copying files directly cannot be transplanted to other machines, unless the table you are copying uses the MyISAM storage format.2. mysqldump: mysqldump generates text files tha

Backup data: The code is as follows Copy Code Mysqldump-u User name-p password database name > Xx.sql When the volume of data is large, you can use gzip compression The code is as follows Copy Code Mysqldump-u User name-p password database name | gzip > XX.sql.gz Recover data: The code is as follows Copy Code

Restore a database: mysql-h localhost-u root-p123456 WwwBacking up a database: mysqldump-h localhost-u root-p123456 www > d:/www2008-2-26.sqlThe following is a test in the program$command = "Mysqldump--opt-h $dbhost-u $dbuser-P $dbpass $dbname | gzip > $backupFile ";$command = "Mysqldump-h localhost-u root-p123456 gues

databasename1 databasename2 databasename3 > Structurebackupfile.sql BackupAll databases on the server The code is as follows Copy Code Mysqldump–all-databases > Allbackupfile.sql command to restore MySQL database The code is as follows Copy Code Mysql-hhostname-uusername-ppassword DatabaseName Restoring a compressed MySQL databa

MySQL data backup and recovery we can use MYQL's own tools mysqldump, MySQL to achieve. MYSQLDUMP supports remote single table backups, single database backups, and all database backups. = = Backup = = Note the space, additional parameters please add yourself. If-h-u-p, remote backup needs to specify-H server address -E indicates export SQL is 20 times times faster than normal inserts for bulk inserts

.png-wh_50 "/>Two. Create experimental dataBecause of the newly built database, there is no data in the log, and a new database and table are created to experiment#创建t1库Create DATABASE T1;#创建tab1表CREATE TABLE T1.TAB1 (ID int primary KEY auto_increment,name varchar (20));#插入两条数据Insert into T1.TAB1 (name) VALUES (' Zhangsan ');Insert into T1.TAB1 (name) VALUES (' Lisi ');Three. Make a full library backup and log backup#进行全库备份 and generate a new logmysqldump-uroot-p123456--flush-logs T1 >/opt/t1_ '

Tags: alter MYS export database MCT trigger restart MYSQLD systemctl Backup restore1. Export the database from MySQL5.7mysqldump --all-databases --triggers --routines --events > db.dump2. Import the database on another serversystemctl stop mysqldrm -rf /var/lib/mysql/*systemctl start mysqldmysql -u root -pmysql> SET SQL_LOG_BIN=0;mysql> ALTER USER [emailprotected]‘localhost‘ IDENTIFIED BY ‘MySQL5.7‘;mysql> SET SQL_LOG_BIN=0;mysql> exitmysql Note: Database versions are consistentMysqldump Backup

1. Various usage instructions A. The simplest use: Copy Code code as follows: Mysqldump-uroot-ppassword [Database name] > [Dump file] The above command backs up the specified database to a dump file (dump file), for example: Copy Code code as follows: mysqldump-uroot-p123 Test > Test.dump The generated Test.dump file contains the Build table statement, wh

Mysqldump backup recovery and mysqldump import and export statements BitsCN.com Detailed description of mysqldump backup restoration and mysqldump import and export statements Mysqldump backup: Mysqldump-u username-p password-

Http://www.cnblogs.com/lyglcheng/archive/2010/04/03/1703630.html Detailed description of mysqldump backup restoration and mysqldump Import and Export Statements Mysqldump backup: Mysqldump-u username-P password-H host database a-W "SQL condition" -- lock-all-tables> path Case:

/mysql" -- fields-enclosed-by = "#" -- fields-optionally-enclosed-by = "#" -- Fields-escaped- The fields in the output file ignore the given characters. Used with the -- tab option. it cannot be used with the -- databases or -- all-databases options. Mysqldump-uroot-p mysql user -- tab = "/home/mysql" -- fields-escaped-by = "#" -- Flush-logs Refresh the log before you start exporting. Note: If you export multiple databases at a time (using options --