单选题

给定A和B两张表，查询B表中和A表不匹配的所有行数据的语句是

Question

A.

select * from A right outer join B on A.id=B.id where A.id is null

B.

select * from A left outer join B on A.id=B.id where B.id is null

C.

select * from A right outer join B on A.id=B.id where A.id is not null

D.

select * from A left outer join B on A.id=B.id where B.id is not null