下面的例子是授权logger用户查询，插入和修改test数据库表记录,但不能删除的一个例子:
C:\Users\duansf>mysql -u root -p
Enter password: ******
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.5.13 MySQL Community Server (GPL)


Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.


Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.


Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.


mysql> show databases;
+--------------------+
| Database|
+--------------------+
| information_schema |
| db_shop|
| frag_test |
| mysql |
| performance_schema |
| test|
+--------------------+


mysql> use test
Database changed
mysql> show tables;
+----------------+
| Tables_in_test |
+----------------+
| workinfo|
+----------------+
1 row in set (0.03 sec)


mysql> select * from workinfo;
Empty set (0.12 sec) --表记录为空

mysql> grant select,insert,update on test.workinfo to logger@localhost identified by 'timber'; --授权logger用户访问和修改test数据库的workinfo表
Query OK, 0 rows affected (0.14 sec)
mysql> quit
Bye


C:\Users\duansf>mysql -h localhost -u logger -p --用logger用户登录数据库
Enter password: ******
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.5.13 MySQL Community Server (GPL)


Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.


Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.


Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.


mysql>


mysql> select * from workinfo;--可以查询
Empty set (0.12 sec)


mysql> desc workinfo;
+----------+-------------+------+-----+---------+----------------+
| Field| Type| Null | Key | Default | Extra |
+----------+-------------+------+-----+---------+----------------+
| id| int(10) | NO| PRI | NULL| auto_increment |
| name | varchar(20) | NO| | NULL||
| type | varchar(10) | YES | | NULL||
| address | varchar(50) | YES | | NULL||
| tel | varchar(20) | YES | | NULL||
| wages| int(11) | YES | | NULL||
| contents | tinytext| YES | | NULL||
| extra| text| YES | | NULL||
+----------+-------------+------+-----+---------+----------------+
8 rows in set (0.02 sec)


mysql> insert into workinfo values(3,'chenfeng','type','zhengzhou','123456',22,1,1); --有插入权限
Query OK, 1 row affected (0.13 sec)


mysql> select * from workinfo; --有查询权限
+----+----------+------+-----------+--------+-------+----------+-------+
| id | name | type | address| tel| wages | contents | extra |
+----+----------+------+-----------+--------+-------+----------+-------+
| 3 | chenfeng | type | zhengzhou | 123456 |22 | 1| 1 |
+----+----------+------+-----------+--------+-------+----------+-------+
1 row in set (0.00 sec)



mysql> update workinfo set name='duansf' where id=3; --有修改权限
Query OK, 1 row affected (0.13 sec)
Rows matched: 1 Changed: 1 Warnings: 0


mysql> select * from workinfo;
+----+--------+------+-----------+--------+-------+----------+-------+
| id | name| type | address| tel| wages | contents | extra |
+----+--------+------+-----------+--------+-------+----------+-------+
| 3 | duansf | type | zhengzhou | 123456 |22 | 1| 1 |
+----+--------+------+-----------+--------+-------+----------+-------+
1 row in set (0.00 sec)


mysql>


mysql> delete from workinfo where id=3; --无删除权限，以下是报错信息
ERROR 1142 (42000): DELETE command denied to user 'logger'@'localhost' for table
'workinfo'