1.
select * from tb1
except
select * from tb2
2.
select * from t1 where checksum(*) not in (select checksum(*) from t2)
3.
select * from a left join b
on a.id=b.id and b.id is null
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1.
select * from tb1
except
select * from tb2
2.
select * from t1 where checksum(*) not in (select checksum(*) from t2)
3.
select * from a left join b
on a.id=b.id and b.id is null
相关文章：