https://i.stack.imgur.com/8otLv.jpg
我想选择名字 当sum（Productivity）＆gt; = 3000和Date =＆＃39; 2017-12-25＆＃39; 按机器分组
答案 0 :(得分：3)
GROUP BY与SUM一起使用HAVING：
SELECT
names,
Machines
FROM Table1
where Date = '2017-12-25'
group by names, Machines
HAVING sum(Productivity) >= 3000;