使用 MYSql 从最大 table 值插入值
Insert values from max table value using MYSql
我 table 打电话给 CusPayment
PID Date No TotalPaid
8523 05-Oct-14 GB0213 0.00
8523 08-Nov-14 GB0213 0.00
12659 28-Nov-14 N02007 0.00
12659 07-Dec-14 N02007 0.00
8523 07-Dec-14 GB0213 0.00
12659 04-Jan-15 N02007 0.00
8523 04-Jan-15 GB0213 0.00
我想在CardNo
的基础上插入max TotalPaid
,结果是
PID Date CardNo TotalPaid
8523 07-Dec-14 GB0213 0.00
12659 04-Jan-15 N02007 0.00
你可以使用insert into select
子句
如果同一张卡在不同日期有两个最大值,您将同时选择两者
insert into Table1
select c.pid, c.date, c.cardno, c.TotalPaid
from cusPayment c
join ( select cardno, max(TotalPaid) as maxPaid
from CusPayment group by cardno ) t
on c.cardno = t.cardno and c.TotalPaid = t.maxPaid
我 table 打电话给 CusPayment
PID Date No TotalPaid
8523 05-Oct-14 GB0213 0.00
8523 08-Nov-14 GB0213 0.00
12659 28-Nov-14 N02007 0.00
12659 07-Dec-14 N02007 0.00
8523 07-Dec-14 GB0213 0.00
12659 04-Jan-15 N02007 0.00
8523 04-Jan-15 GB0213 0.00
我想在CardNo
的基础上插入max TotalPaid
,结果是
PID Date CardNo TotalPaid
8523 07-Dec-14 GB0213 0.00
12659 04-Jan-15 N02007 0.00
你可以使用insert into select
子句
如果同一张卡在不同日期有两个最大值,您将同时选择两者
insert into Table1
select c.pid, c.date, c.cardno, c.TotalPaid
from cusPayment c
join ( select cardno, max(TotalPaid) as maxPaid
from CusPayment group by cardno ) t
on c.cardno = t.cardno and c.TotalPaid = t.maxPaid