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ALTER TABLE BSum_CrmProfile DROP PARTITION (Datekey='2017-02-26');
ALTER TABLE BSum_CrmProfile DROP PARTITION (Datekey='2017-02-27');
INSERT INTO TABLE BSum_CrmProfile PARTITION (DateKey)
SELECT MemberNumber,DateKey FROM CrmProfile WHERE DATEKEY IN ('2017-02-26','2017-02-27') GROUP BY MemberNumber,DateKey DISTRIBUTE BY DateKey;