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                ## **一、備份** ``` #!/bin/bash mysqldump -uroot -p123456 -P3306 crm | gzip > /data/backup/crm_$(date +%Y%m%d_%H%M%S).sql.gz ``` 在mysqldump 寫入賬號密碼 ``` [mysqldump] user = root password = 123456 port = 666333006 ``` ``` #!/bin/bash mysqldump crm | gzip > /data/backup/crm_$(date +%Y%m%d_%H%M%S).sql.gz ``` 授權 ``` chmod u+x mysql_backup.sh ``` 加定時腳本(每天凌晨一點執行) ``` 0 1 * * * /data/shell/mysql_backup.sh ``` ## **二、還原** 1.解壓 `-k`參數的作用是在解壓.gz文件后保留原始的.gz壓縮文件 ``` gunzip -k XXX.sql.gz ``` 2.恢復數據庫 ~~~ mysql -uroot –p123456 數據庫名 < 備份文件.sql mysql -uusername -ppassword crm < /home/bak.sql ~~~ 方法二、語法:**source** 備份數據庫文件位置; **例子:** **1)第一步:use bak; #新建數據庫bak** **2)第二步:source /test.sql; #在新建數據庫bak中執行還原source命令** **3)第三步:檢查是否成功還原test.sql** **show tables;** 方法三 ``` gunzip -c [dump_file.sql.gz] | mysql -u [username] -p [database_name] ```
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