mysql : 第5章 数据库的安全性

-- 创建用户
CREATE USER utest@localhost IDENTIFIED BY 'temp';
-- 查看所有用户
SELECT * FROM mysql.user;
-- 查看表级权限
SELECT * FROM mysql.tables_priv;
-- 查看函数权限
SELECT * FROM mysql.procs_priv;
-- 授予函数权限
GRANT EXECUTE ON PROCEDURE exercise.ins_study TO u_test;
-- 修改密码
SET PASSWORD FOR utest@localhost = '123456';
-- 修改用户
RENAME USER utest@localhost TO u_test;
-- 授予字段级权限
GRANT SELECT(sno, snm, sex), UPDATE(tscore) ON exercise.stu TO u_test;
-- 查询字段级权限
SELECT * FROM mysql.columns_priv;
-- 授予表级权限
GRANT SELECT ON exercise.class TO u_test WITH GRANT OPTION;
GRANT SELECT, UPDATE, DELETE ON exercise.grp TO u_test WITH GRANT OPTION;
GRANT CREATE ON abc TO u_test;
-- 删除用户
DROP USER utest@localhost;

posted @ 2022-04-19 21:03  惠安雪乃  阅读(69)  评论(0)    收藏  举报