INSERT INTO T202627.DBO.CUSTOMER_GROUP_MASTER SELECT * FROM T202526.DBO.CUSTOMER_GROUP_MASTER WHERE CustGrpCode NOT IN (SELECT CustGrpCode FROM T202627.DBO.CUSTOMER_GROUP_MASTER)
INSERT INTO T202627.DBO.CUSTOMER_MASTER SELECT * FROM T202526.DBO.CUSTOMER_MASTER WHERE CustCode NOT IN (SELECT CustCode FROM T202627.DBO.CUSTOMER_MASTER)