sql 查出一张表中重复（或者不重复）的所有记录数据
例：
select * from LoanApply where ApplyTime>'2020-4-25' and CheckStatus=3 and BidderNo in (select BidderNo from LoanApply where ApplyTime>'2020-4-25' group by BidderNo having count(1) < 2)
例：
select * from LoanApply where ApplyTime>'2020-4-25' and CheckStatus=3 and BidderNo in (select BidderNo from LoanApply where ApplyTime>'2020-4-25' group by BidderNo having count(1) < 2)
