时间:2021-07-01 10:21:17 帮助过:17人阅读
MySQL -u root -p
CREATE USER ‘test‘@‘localhost‘ IDENTIFIED BY ‘1234‘; #本地登录
CREATE USER ‘test‘@‘%‘ IDENTIFIED BY ‘1234‘; #远程登录
quit
mysql -u test -p #测试是否创建成功
2、为用户授权
a.授权格式:grant 权限 on 数据库.* to 用户名@登录主机 identified by ‘密码‘;
b.登录MYSQL,这里以ROOT身份登录:
mysql -u root -p
c.为用户创建一个数据库(testDB):
create database testDB;
create database testDB default charset utf8 collate utf8_general_ci;
d.授权test用户拥有testDB数据库的所有权限:
grant all privileges on testDB.* to “test”@”localhost” identified by “1234”;
flush privileges; #刷新系统权限表
e.指定部分权限给用户:
grant select,update on testDB.* to “test”@”localhost” identified by “1234”;
flush privileges; #刷新系统权限表
f.授权test用户拥有所有数据库的某些权限:
grant select,delete,update,create,drop on . to test@”%” identified by “1234”; #”%” 表示对所有非本地主机授权,不包括localhost
3、删除用户
mysql -u root -p
Delete FROM mysql.user Where User=”test” and Host=”localhost”;
flush privileges;
drop database testDB;
删除账户及权限:
drop user 用户名@’%’;
drop user 用户名@ localhost;
4、修改指定用户密码
mysql -u root -p
update mysql.user set authentication_string=password(“新密码”) where User=”test” and Host=”localhost”;
flush privileges;
MySql 5.7中添加用户,新建数据库,用户授权,删除用户,修改密码
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