Home Database Mysql Tutorial Linux系统下mysqlcheck修复数据库命令

Linux系统下mysqlcheck修复数据库命令

Jun 07, 2016 pm 05:58 PM
linux repair Order database system

mysqlcheck客户端工具可以检查和修复MyISAM表,还可以优化和分析表。 实际上,它集成了mysql工具中check、repair、analyze、optimize的功能、 有3种方式来调用mysqlcheck: shell mysqlcheck[options] db_name [tables] shell mysqlcheck[options] ---databas

mysqlcheck客户端工具可以检查和修复MyISAM表,还可以优化和分析表。

实际上,它集成了mysql工具中check、repair、analyze、optimize的功能、

有3种方式来调用mysqlcheck:

shell> mysqlcheck[options] db_name [tables]

shell> mysqlcheck[options] ---database DB1 [DB2 DB3...]

shell> mysqlcheck[options] --all--database

如果没有指定任何表或使用---database或--all--database选项,

则检查整个数据库。

option中有以下常用选项:

-c, --check (检查表);

-r, --repair(修复表);

-a, --analyze (分析表);

-o, --optimize(优化表); //其中,默认选项是-c(检查表)

例子:

检查表(check);

mysqlcheck -u root -c test

修复表(repair);

mysqlcheck -u root -r test

修复指定的数据库用

# mysqlcheck -A -o -r Database_NAME -p

检查修复所有的数据库(表;

# mysqlcheck -u root -A -0 -r -p

每天定时自动优化MySQL数据库

crontab -e     //把它加入 cron job 每天在 01:00 自动执行

0 1 * * * mysqlcheck -Aao –auto-repair -u你的用户名 -p你的密码 > /dev/null 2>&1
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