开发者

SQL Query, possible to do in one query?

开发者 https://www.devze.com 2023-01-26 18:28 出处:网络
I need to write a query that does the following: I have two tables: SalaryRanges: id, beginRange, endRange

I need to write a query that does the following:

I have two tables:

 SalaryRanges: id, beginRange, endRange
 UserInfo: id, salary,...

I would like to have a query that does the following:

Give me a list of ids开发者_运维百科 of SalaryRanges where there are more than 5 persons meeting that specific range for each salary range.

So something like:

SalaryRange ids: 1, 4, 5, 7 have 5+ people meeting their respective salary ranges.

Is this possible to do in one query? Or do you need to break the query up into different calls?


This is just from the top of my head but I think it would work

SELECT  sr.id
FROM    SalaryRanges AS sr
INNER JOIN  UserInfo AS ui ON ui.Salary >= sr.beginRange AND ui.Salary <= sr.endRange
GROUP BY    sr.id
HAVING count(ui.id) > 5

Ok the updated version using BETWEEN as per the comment

SELECT  sr.id
FROM    SalaryRanges AS sr
INNER JOIN  UserInfo AS ui ON ui.Salary BETWEEN sr.beginRange AND sr.endRange
GROUP BY sr.id
HAVING count(ui.id) > 5

Both should work though

0

精彩评论

暂无评论...
验证码 换一张
取 消