Take this query as an example:
以此查询为例:
select * from publisher
where id not in (
select publisher_id from record
where year = 2008 and month = 4
)
seleTake this query as an example:
以此查询为例:
select * from publisher
where id not in (
select publisher_id from record
where year = 2008 and month = 4
)
sele