Sql练习201908200918

表结构:

昨天遇到一个笔试题,求一个聚合函数小于等于1000的值,并将编号同时输出.

sql server:

select nid,SUM(amount) amountSum from orders_jimmy
group by nid
having SUM(amount) <= 1000;
go

oracle:

select nid,SUM(amount) from orders_jimmy
group by nid
having SUM(amount) <= 1000;

完成.