MySQL + 指令 + GRANT與REVOKE + 授權與刪除授權

授權
GRANT priv_type [(column_list)] [, priv_type [(column_list)] …]
ON {tbl_name | * | *.* | db_name.*}
TO user_name [IDENTIFIED BY [PASSWORD] 'password']
            [, user_name [IDENTIFIED BY 'password'] …]
[REQUIRE
            NONE |
            [{SSL | X509}]
            [CIPHER cipher [AND]]
            [ISSUER issuer [AND]]
            [SUBJECT subject]]
[WITH [GRANT OPTION | MAX_QUERIES_PER_HOUR # |
                                MAX_UPDATES_PER_HOUR # |
                                MAX_CONNECTIONS_PER_HOUR #]]

註解
WITH GRANT OPTION         是特殊的權限，它可以讓會員給自己擁有的權限到其他的會員
WITH                                 可以限制會員在一個小時內所允許的查詢，更新，或連線數量。預設值是 0，代表沒有限制。
REQUIRE                           可以限制會員必須用安全的連線登入。

實作
GRANT USAGE
ON *
TO luke@localhost IDENTIFIED BY '123456';

刪除授權
REVOKE priv_type [(column_list)] [, priv_type [(column_list)] …]
ON {tbl_name | * | *.* | db_name.*}
FROM user_name [, user_name …]

實作
REVOKE ALL ON employee.* FROM luke;