MySQL数据库备份和还原的常用命令小结
MySQL数据库备份和还原的常用命令小结,学习mysql的朋友可以参考下
备份MySQL数据库的命令
mysqldump -hhostname -uusername -ppassword databasename > backupfile.sql
备份MySQL数据库为带删除表的格式备份MySQL数据库为带删除表的格式,能够让该备份覆盖已有数据库而不需要手动删除原有数据库。
mysqldump ---add-drop-table -uusername -ppassword databasename > backupfile.sql
直接将MySQL数据库压缩备份
mysqldump -hhostname -uusername -ppassword databasename | gzip > backupfile.sql.gz
备份MySQL数据库某个(些)表
mysqldump -hhostname -uusername -ppassword databasename specific_table1 specific_table2 > backupfile.sql
同时备份多个MySQL数据库
mysqldump -hhostname -uusername -ppassword --databases databasename1 databasename2 databasename3 > multibackupfile.sql
仅仅备份数据库结构
mysqldump --no-data --databases databasename1 databasename2 databasename3 > structurebackupfile.sql
备份服务器上所有数据库
mysqldump --all-databases allbackupfile.sql
还原MySQL数据库的命令
mysql -hhostname -uusername -ppassword databasename <p><strong>还原压缩的MySQL数据库</strong></p> <pre class="brush:php;toolbar:false">gunzip <p><strong>将数据库转移到新服务器</strong></p> <pre class="brush:php;toolbar:false">mysqldump \-uusername \-ppassword databasename \| mysql \--host=*.*.*.\* \-C databasename
压缩备份
备份并用gzip压缩:
mysqldump | gzip > outputfile.sql.gz
从gzip备份恢复:
gunzip
备份并用bzip压缩:
mysqldump | bzip2 > outputfile.sql.bz2
从bzip2备份恢复:
bunzip2

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