数据库常用命令
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| 登录数据库:
sudo mysql -u root -p778899 注意哦,不输入sudo会出现一下问题:
Access denied for user 'root'@'localhost'
显示数据库:
show databases; 创建数据库:
create database school; 选择当前操作数据库:
use school; 创建新用户:
create user shaowen@'%' identified by '密码'; 授权:
grant all on *.* to shaowen@'%'; //刷新 flush privileges; 收回权利:
revoke all ON *.* FROM shaowen@'%'; flush privileges; 查询所有用户:
SELECT User, Host FROM mysql.user; 修改密码:
alter user 'shaowen'@'%' identified by '778899'; //%和localhost具体填哪个,根据上面的查询用户选项看 flush privileges; 之后就可以登录啦
sudo mysql -ushaowen -p778899
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