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2025-02-21 11:42:10 +08:00
parent e65236340b
commit d494b911e0
1 changed files with 18 additions and 0 deletions
@@ -60,5 +60,23 @@ WHERE money >= 5000 AND money <= 8000;
 #6
 #10 存储过程
 DELIMITER $$ #改变代码结束符
 DROP PROCEDURE IF EXISTS pro_GetTopSalary;#创建存储过程之前先删除
 #设置存储过程名，传入传出参数名和数据类型
 CREATE PROCEDURE pro_GetTopSalary(IN in_did CHAR(10), OUT out_ename VARCHAR(30))
 BEGIN
 	#连接查询+排序+分页
 	SELECT e.ename INTO out_ename
 	FROM t_employee e, t_salary s
 	WHERE e.eid = s.eid AND e.did = in_did
 	ORDER BY s.money DESC
 	LIMIT 1;
 END $$
 DELIMITER ;
 #调用存储过程 传入用户变量接收传出数据并使用打印出来
 CALL pro_GetTopSalary('d0001', @result);
 SELECT @result;
 ```