1、创建存储过程P_integerSum,计算1~100的整数和,再调用 (分别使用WHILE循环、REPEAT循环、LOOP循环)
时间: 2024-02-03 08:02:36 浏览: 24
好的,以下是存储过程P_integerSum的代码,它能计算1~100的整数和,并且使用了WHILE循环、REPEAT循环、LOOP循环:
```
DELIMITER //
CREATE PROCEDURE P_integerSum()
BEGIN
DECLARE sum INTEGER;
DECLARE i INTEGER;
SET sum = 0;
SET i = 1;
-- WHILE循环
WHILE i <= 100 DO
SET sum = sum + i;
SET i = i + 1;
END WHILE;
SELECT sum AS 'WHILE循环计算结果';
SET sum = 0;
SET i = 1;
-- REPEAT循环
REPEAT
SET sum = sum + i;
SET i = i + 1;
UNTIL i > 100 END REPEAT;
SELECT sum AS 'REPEAT循环计算结果';
SET sum = 0;
SET i = 1;
-- LOOP循环
LOOP
SET sum = sum + i;
SET i = i + 1;
IF i > 100 THEN
LEAVE;
END IF;
END LOOP;
SELECT sum AS 'LOOP循环计算结果';
END //
DELIMITER ;
```
调用存储过程的方法如下:
```
CALL P_integerSum();
```
执行后,你会看到三个结果,分别是用WHILE循环、REPEAT循环、LOOP循环计算1~100的整数和的结果。