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2208/天天乐学考试答案/MySQL练习（一）.md

@@ -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;
 ```