权限管理:
创建用户
create user '用户名'@'IP地址' identified by '密码';
creaee user 'zekai'@'192.168.1.123' identified by '123qwe';
creaee user 'zekai'@'192.168.1.%' identified by '123qwe';
create user 'zekai'@'%' identified by '123qwe';
删除用户
drop user '用户名'@'IP地址';
修改用户
rename user '用户名'@'IP地址' to '新用户名'@'IP地址';
修改密码
set password for '用户名'@'IP地址' = Password('新密码')
查看所有用户(root下)
SELECT DISTINCT CONCAT('User: ''',user,'''@''',host,''';') AS query FROM mysql.user;
授权:
grant 权限 on 数据库.表 to '用户'@'IP地址' -- 授权
grant select on db1.* to 'zekai'@'%';
grant select on *.* to 'zekai'@'%';
grant select, insert, delete on db1.* to 'zekai'@'%';
记住:
flush privileges;
转载于:https://www.cnblogs.com/tingguoguoyo/p/11042468.html
本文详细介绍如何在数据库中创建、删除及修改用户,包括设置密码、查看所有用户、授权操作等关键步骤,为数据库管理员提供实用的权限管理技巧。
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