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mysql 對使用者授權的操作

mysql> use mysql ;   #zhaoyun使用者對mysql資料庫沒有任何許可權。
ERROR 1044 (42000): Access denied for user 'zhaoyun'@'localhost' to database 'mysql'
mysql>
mysql> use zhaoyun ;  #可以使用zhaoyun資料庫
Database changed
mysql> show grants ;    #檢視當前使用者擁有的許可權
+--------------------------------------------------------------------------------------+
| Grants for
[email protected]
                                                         |
+--------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'zhaoyun'@'localhost'                                          |
| GRANT SELECT, INSERT, UPDATE, DELETE, CREATE ON `zhaoyun`.* TO 'zhaoyun'@'localhost'
|
+--------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)
mysql> create table test(user char(3));     #建表測試
Query OK, 0 rows affected (0.00 sec)