是什么这种区别查询..我想这两个查询给same result
可以选中此查询..以不同的方式写查询同样的方法
select kgfs,
count(case when loan_disbursement_date between '2015-04-01' and '2016-03-31' then urn else 0 end) as count
from all_cms_loans_dump_unique
where kgfs <> '' and
urn <> ''
group by kgfs;
select kgfs, count(urn)
from all_cms_loans_dump_unique
where loan_disbursement_date between '2016-04-01' and '2017-03-31' and
kgfs <> '' and
urn <> ''
group by kgfs;
谢谢大家..对我有效 – krishnakumar