CREATE TABLE [A]
(consumerID INT, XXXX INT, AAAAA INT, BBBB INT)
CREATE TABLE
(consumerID INT, Product INT, DeleteFlag BIT, DDDD INT)
INSERT INTO A VALUES (99,1,2,3)
INSERT INTO A VALUES (100,2,3,4)
INSERT INTO B VALUES (99,1,1,4)
INSERT INTO B VALUES (99,2,1,5)
INSERT INTO B VALUES (99,1,0,6)
INSERT INTO B VALUES (99,5,1,3)