MYSQL授权指定权限指定IP访问指定库

1.授权

–授权app用户从指定IP访问数据库的所有权限
grant all privileges on *.* to ‘app’@’10.200.12.232’ identified by ‘app1234’;
–取消授权

revoke alter on *.* from ‘app’@’10.200.12.232’ identified by ‘app1234’;

–授权app用户从指定IP访问downloaddb数据库的表（增删改查）
GRANT select,insert,update,delete ON downloaddb.* TO ‘app’@’10.200.12.199’ IDENTIFIED BY ‘app1234’ WITH GRANT OPTION;
–取消授权

revoke select,insert,update,delete ON downloaddb.* from ‘app’@’10.200.12.199’ IDENTIFIED BY ‘app1234’;
2.刷新权限
–刷新权限
FLUSH PRIVILEGES;

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