MySQL数据库用户、角色、授权

> mysql -h192.168.56.1 -P33060 -uroot -p
Enter password: ****

insert into mysql.user(host,user,password) values(‘%‘, ‘xiaoming‘, password(‘xiaoming123‘));

grant insert on school.* to xiaoming

mysql> show databases; ---授权前
+--------------------+
| Database           |
+--------------------+
| information_schema |
| test               |
+--------------------+
2 rows in set (0.00 sec)

mysql> show databases; --- 授权后
+--------------------+
| Database           |
+--------------------+
| information_schema |
| school             |
| test               |
+--------------------+
3 rows in set (0.00 sec)

mysql> use school;
Database changed
mysql> insert into student(name,score) values(‘xiaoming‘,60);
Query OK, 1 row affected (0.08 sec)

mysql> select * from student;
ERROR 1142 (42000): SELECT command denied to user ‘xiaoming‘@‘10.0.2.2‘ for table ‘student‘

mysql> grant select on school.* to xiaoqiang@‘%‘ identified by ‘xiaoqiang123‘;