Mysql数据库备份和还原常用的命令

数据库备份

备份MySQL数据库的命令文章源自编程技术分享-https://mervyn.life/92d47e41.html

mysqldump -hhostname -uusername -ppassword databasename > backupfile.sql

备份mysql数据库为带删除表的格式文章源自编程技术分享-https://mervyn.life/92d47e41.html

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。文章源自编程技术分享-https://mervyn.life/92d47e41.html

mysqldump -–add-drop-table -uusername -ppassword databasename > backupfile.sql

直接将MySQL数据库压缩备份文章源自编程技术分享-https://mervyn.life/92d47e41.html

mysqldump -hhostname -uusername -ppassword databasename | gzip > backupfile.sql.gz

备份MySQL数据库某个(些)表文章源自编程技术分享-https://mervyn.life/92d47e41.html

mysqldump -hhostname -uusername -ppassword databasename specific_table1 specific_table2 > backupfile.sql

同时备份多个MySQL数据库文章源自编程技术分享-https://mervyn.life/92d47e41.html

mysqldump -hhostname -uusername -ppassword –databases databasename1 databasename2 databasename3 > multibackupfile.sql

备份服务器上所有数据库文章源自编程技术分享-https://mervyn.life/92d47e41.html

mysqldump –all-databases > allbackupfile.sql

数据库还原

还原MySQL数据库的命令文章源自编程技术分享-https://mervyn.life/92d47e41.html

mysql -hhostname -uusername -ppassword databasename < backupfile.sql

还原压缩的MySQL数据库文章源自编程技术分享-https://mervyn.life/92d47e41.html

gunzip < backupfile.sql.gz | mysql -uusername -ppassword databasename

将数据库转移到新服务器文章源自编程技术分享-https://mervyn.life/92d47e41.html

mysqldump -uusername -ppassword databasename | mysql –host=*.*.*.* -C databasename

导出文章源自编程技术分享-https://mervyn.life/92d47e41.html

select * from tablename INTO OUTFILE '/tmp/xxx.txt' fields terminated by "," optionally enclosed by '"';

导入文章源自编程技术分享-https://mervyn.life/92d47e41.html

mysql> load data infile  '/tmp/xxx.txt' into table tablename fields terminated by ',' enclosed by '"';