创建存储程序和函数_MySQL

mysql> delimiter //

mysql> CREATE PROCEDURE simpleproc (OUT param1 INT)

-> BEGIN

-> SELECT COUNT(*) INTO param1 FROM t;

-> END

-> //

Query OK, 0 rows affected (0.00 sec)

mysql> delimiter ;

mysql> CALL simpleproc(@a);

Query OK, 0 rows affected (0.00 sec)

mysql> SELECT @a;

+------+

| @a |

+------+

| 3 |

+------+

1 row in set (0.00 sec)