| Database Backup with mysqldump |
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| Thursday, 31 January 2008 | |
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Mysqldump is a simple client used to backup MySQL databases or to transfer databases into another servers. It stores SQL statements to create tables and to import them. The client can also be used to create formatted files and generate XML files.
Example: %> mysqldump -u username -p dbname > backup.sql%> mysqldump -u username --all-databases > backup_all.sqlIf you have a linux box, type the following command to get a complete help of mysqldump. %> mysqldump --help | less Backup and Compress at One Pipelining gzip together with mysqldump in the command line is a quick and easy way to backup and to compress: %> mysqldump -u username -p dbname | gzip > backup.gz Restore the Backup Use the following command to import a backup into an empty mysql database: %> mysql -u username -p dbname < backup.sql Or, if you have your backup zipped, you can use gunzip to unzip it and then use mysql to import: %> gunzip < backup.gz | mysql -u username -p dbname |
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