选择与sql server中其他服务无关的mobileNO [英] select mobileNO which not related in other Services in sql server

问题描述

我有这样的桌子



** MobileNO服务**

111111 abc

111111 def

111111 ghi

111111 jkm

222222 abc

222222 def

333333 ghi

333333 jkm



i想选择abc服务中存在但与其他服务无关的手机号码



示例

222222手机号码存在于sigle服务中，所以我发现这个

i have table like this

**MobileNO service**
111111 abc
111111 def
111111 ghi
111111 jkm
222222 abc
222222 def
333333 ghi
333333 jkm

i want to select mobile number who exist in abc service but not relate in other service

example
222222 mobile number exist in sigle service so i found this

推荐答案

这样的东西？

Something like this?

SELECT
    MobileNo
FROM
    YourTable As T
WHERE
    Service = 'abc'
And
    Not Exists
    (
        SELECT 1
        FROM YourTable As T2
        WHERE T2.MobileNo = T.MobileNo
        And T2.Service != 'abc'
    )
;

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