SELECT A.学号,B.姓名 FROM score A LEFT JOIN student B ON A.学号 = B.学号 GROUP BY A.学号 HAVING MAX(成绩) < 60; 2020-06-22 回复6 宋wz 强,内连接 就可以把 2021-08-30 回复1 杨军 A.成绩 2021-06-03 回复喜欢 仙贝 有一些题目解答有问题,不能实现题目的...
Use SQL MAX function with HAVING statement The SQL HAVING statement is used if we need to apply filters on aggregate functions. Let’s understand its uses with the help of the below example. The below query will list only those months which have the highest invoice as more than $4000. I ...
MAX() 和 MIN() 函数分别用于查找指定列中的最大值和最小值。 复制 SELECTMAX(salary)FROMemployees; 1. 该查询返回所有员工中薪资的最高值。 复制 SELECTMIN(salary)FROMemployees; 1. 该查询返回所有员工中薪资的最低值。 5. GROUP BY 与 HAVING:组合聚合函数和分组筛选 GROUP BY 用于对数据进行分组,HAVIN...
SQL HAVING HAVING is like WHERE but operates ongrouped records. HAVING requires that a GROUP BY clause is present. Groups that meet the HAVING criteria will be returned. HAVING is used with aggregrates:COUNT,MAX,SUM, etc. Example # List all countries with more than 2 suppliers....
(quantity)ASsumFROMdealerGROUPBYcityHAVINGsum>15; Dublin 33 Fremont 32-- `HAVING` clause referring to a different aggregate function than what is present in-- `SELECT` list.>SELECTcity,sum(quantity)ASsumFROMdealerGROUPBYcityHAVINGmax(quantity) >15; Dublin 33-- `HAVING` clause referring to ...
HAVING . HAVING col>100 分组后条件 子表(table) 一次select的结果rows作为下一次select的临时table才能得到最终结果select * from (select * from table where col > 1) as tmp where col < 1 OperatorConditionSQL Example解释 (select -)as tmp (select -)as tmp select结果做子表 in(select -) in(se...
试着这样想 - 在聚合完成后应用HAVING。 因此，它无法与未聚合的表达式（时间+日期，也不是cardto）...
SQL的聚合函数COUNT、SUM、AVG、MAX、MIN等,不允许出现在( )子句中A.SELECTB.HAVINGC.GROUP…HAVINGD.WHERE
SELECTCOUNT(*)ASnum_items,MIN(prod_price)ASprice_min,MAX(prod_price)ASprice_max,AVG(prod_price)ASprice_avgFROMProducts; 2 分组数据(GROUP BY、HAVING) 2.1 创建分组(GROUP BY) SELECTvend_id,COUNT(*)ASnum_prodsFROMProductsGROUPBYvend_id; ...
百度试题 题目SQL的聚集函数COUNT、SUM、AVG、MAX、MIN等,不允许出现在下列查询语句的( )子句中。(3.4C) A. SELECT B. HAVING C. WHERE D. GROUP BY 相关知识点: 试题来源: 解析 C.WHERE 反馈 收藏