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"Optimizing sub queries with joins"
Posted by: SUNIL KUMAR
Date: December 01, 2010 10:42PM

can any one help me optimizing the querie.

SELECT
T1.PATIENT_ID,T1.PATIENT_PAID AS VP_PAT,T2.PAID AS LD_PAT,T1.STATUS
FROM ((SELECT
PROCEDURE_ID,
PATIENT_PAID,
PATIENT_ID,STATUS
FROM VISIT_PROCEDURE
WHERE CLINIC_ID = 97846) AS T1
LEFT JOIN (SELECT
PROCEDURE_ID,
SUM(AMOUNT) AS PAID
FROM LEDGER
WHERE TYPE IN(5,8)
AND CURR_PARTY = 4
AND CLINIC_ID = 97846 GROUP BY PROCEDURE_ID
) AS T2
ON T1.PROCEDURE_ID = T2.PROCEDURE_ID)
WHERE ROUND(T1.PATIENT_PAID,1) <> ROUND(T2.PAID,1)

Thanks
Sunil

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