I have written the below Update Statement, but it shows the error such as "Incorrect syntax near the keyword 'GROUP'."
UPDATE
J
SET
J.StatusID = CASE WHEN SUM(DUV.VendorDUQuantity) = SUM(RD.InvoiceQuantity) THEN 1 ELSE J.StatusID END
FROM
PLN_DU_Vendor DUV
INNER JOIN ENG_Release R ON R.ReleaseID = DUV.ReleaseID
INNER JOIN ENG_DU_Header H ON H.ReleaseID = R.ReleaseID AND DUV.DUID = H.DUID
INNER JOIN MKT_JobOrder J ON J.JobOrderID = R.JobOrderID
INNER JOIN MKT_CustomerOrder CO ON CO.OrderID = J.OrderID
LEFT JOIN PMT_RFDHeader RH ON RH.JobOrderID = J.JobOrderID
LEFT JOIN PMT_RFDDetail RD ON RD.RFDID = RH.RFDID AND RD.DUID = DUV.DUID
WHERE
CO.OrderID = 100
GROUP BY
J.JobOrderID
Instead of Update, Select is working perfectly for the above Query. What would be the problem and How to write the Query based on Join and Group By clause.