SQL Query using In and Not In clause on the same column ,i want to re write below query in different way.

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SQL-Server-2008R2

SQL

SELECT LM.eCPPatientDMG_Key FROM tbl_eCPLedger_Master  LM

        WHERE LM.eCPLedger_Payer_Key  IN

        (SELECT LP.eCPLedger_Payer_Key FROM tbl_eCPLedger_Payer LP WHERE UPPER(LP.eCPLedger_Payer_ID) = 'SELF' )and   LM.eCPAccount_Key='0481843194'

        AND LM.eCPLedger_Payer_Key NOT IN

        (SELECT LM1.eCPPatientDMG_Key FROM tbl_eCPLedger_Master LM1

        WHERE LM1.eCPLedger_Payer_Key IN

        (SELECT LP1.eCPLedger_Payer_Key FROM tbl_eCPLedger_Payer LP1 WHERE UPPER(LP1.eCPLedger_Payer_ID) <> 'SELF' )and   LM1.eCPAccount_Key='0481843194')

Posted 2-Dec-14 18:10pm

Member 10256268

Updated 9-Jun-15 21:05pm

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Maciej Los 10-Jun-15 5:14am

Do not empty a question when exists at minimum one answer! Respect the rules!

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Maciej Los · Answer 1 · 2014-12-02T20:09:00

Tr this:

SQL

SELECT LM.eCPPatientDMG_Key
FROM tbl_eCPLedger_Master LM INNER JOIN tbl_eCPLedger_Payer LP ON  LM.eCPLedger_Payer_Key = LP.eCPLedger_Payer_Key
WHERE UPPER(LP.eCPLedger_Payer_ID) = 'SELF' and LM.eCPAccount_Key='0481843194'

It should do the work!

I'd suggest to read about joins[^].
Here is a very interesting article which shows the differences between joins: Visual Representation of SQL Joins[^]