I'm trying to create a view from two tables address and address_association. So I did the following and expect they are the same:
CREATE VIEW associated_address AS select t0.association_id AS association_id, t0.property_dict AS property_dict, t0.type_id AS type_id, t0.owner_id AS owner_id, t0.owner_class_name AS owner_class_name, t0.status_code AS asso_status, t0.flag AS flag, t1.* from address_association t0, address t1 where (t0.address_id = t1.address_id); CREATE VIEW vaa AS select t0.association_id AS association_id, t0.property_dict AS property_dict, t0.type_id AS type_id, t0.owner_id AS owner_id, t0.owner_class_name AS owner_class_name, t0.status_code AS asso_status, t0.flag AS flag, t1.* from address_association t0 left join address t1 on (t0.address_id = t1.address_id); But you see the differences: mysql> select count(1) from vaa; +----------+ | count(1) | +----------+ | 1443 | +----------+ 1 row in set (7.30 sec) mysql> select count(1) from associated_address; +----------+ | count(1) | +----------+ | 1441 | +----------+ 1 row in set (3.32 sec) I have one row in address_association which address_id value not found in table address. Does this cause the above difference?
