mysql 权限管理 针对库 授权 db.*

需求 只放行user表 db1库的select权限

mysql> grant select on db1.* to 'mike'@'localhost';
Query OK, 0 rows affected (0.05 sec)

 查看有没有记录

mysql> select * from mysql.dbG;

db1这个库下的所有表都可以查看select

mysql> exit
Bye

[root@mysql ~]# mysql -umike -p123
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 6
Server version: 5.6.36 Source distribution

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

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| db1                |
| test               |
| test_1             |
+--------------------+
4 rows in set (0.00 sec)

mysql> use db1;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> 
mysql> show tables;
+---------------+
| Tables_in_db1 |
+---------------+
| innodb__t_t1  |
| innodb__t_t2  |
| innodb__t_t3  |
| innodb__t_t4  |
| t1            |
| t3            |
+---------------+
6 rows in set (0.00 sec)

mysql> desc t1;
+-------+-----------------------+------+-----+---------+-------+
| Field | Type                  | Null | Key | Default | Extra |
+-------+-----------------------+------+-----+---------+-------+
| id    | int(11)               | YES  |     | NULL    |       |
| name  | varchar(50)           | YES  |     | NULL    |       |
| sex   | enum('male','female') | YES  |     | NULL    |       |
| age   | int(4)                | YES  |     | NULL    |       |
+-------+-----------------------+------+-----+---------+-------+
4 rows in set (0.00 sec)

mysql> select * from t1;
+------+------+--------+------+
| id   | name | sex    | age  |
+------+------+--------+------+
|    1 | mike | male   |   15 |
|    2 | alex | female |   16 |
|    3 | NULL | NULL   | NULL |
|    4 | NULL | NULL   | NULL |
+------+------+--------+------+
4 rows in set (0.00 sec)


mysql> insert into t1 values(5,'jack','male',5);
ERROR 1142 (42000): INSERT command denied to user 'mike'@'localhost' for table 't1'

不能插入，只能查看