Please help to convert below query from Sql2003 to 2014, the operator *= does not working, when replace left out join it ignore null rows.
SELECT REJECT_CODE,IsNull(SUM(REJ_M2),0.00) as Rejection
FROM dbo.Reject_Code a, dbo.QA_Rej_Det1 b
WHERE a.REJ_RKEY *= b.REJ_CODE and b.CUSTOMER_PART_DESC = 'XXXXX'
GROUP BY REJECT_CODE order by REJECT_CODE