mysql的权限分配和回收

# 用root用户登录
mysql -uroot -p

# 分配select权限给test2这个用户
grant select on test2.* to 'test2'@'localhost' identified by 'test2';

# 刷新系统权限表
flush privileges;

# 分配insert权限给test2这个用户
grant insert on test2.* to 'test2'@'localhost';

# 刷新系统权限表
flush privileges;

# 从test2这个用户回收insert权限
revoke insert on test2.* from 'test2'@'localhost';

# 刷新系统权限表
flush privileges;

# 切换到mysql数据库
use mysql;

# 删除用户
delete from user where Host='localhost' and User='test2';