正在阅读：MySQL 5.0 新特性教程 存储过程:第三讲MySQL 5.0 新特性教程 存储过程:第三讲

CREATE PROCEDURE p9 ()

BEGIN

DECLARE a INT /* there is no DEFAULT clause */;

DECLARE b INT /* there is no DEFAULT clause */;

SET a = 5; /* there is a SET statement */

SET b = 5; /* there is a SET statement */

INSERT INTO t VALUES (a);

SELECT s1 * a FROM t WHERE s1 >= b;

END; // /* I won't CALL this */

CREATE PROCEDURE p10 ()

BEGIN

DECLARE a, b INT DEFAULT 5;

INSERT INTO t VALUES (a);

SELECT s1 * a FROM t WHERE s1 >= b;

END; //