Business logic - relatively correct code for quota table

 ----2 this 一次性额度视图 
create view View_LimitS as
select * from limit
where ( convert(varchar(100),getdate(),12) > convert(varchar(8),EFFECTIVEDATE,12) ) and 
(convert(varchar(8),EXPIRYDATE,12) < convert(varchar(100),getdate(),12) ); 

select * from View_LimitS;

--删除单个视图
drop view view1;

Effect