/*根据购买的金额,将用户信息进行排列*/ /*1.福州地区所有用户的销售额*/ /*2.建立存储过程,计算积分*/
insert into Customer values('001','zhangxq') insert into Customer values('002','zhuangys') insert into Customer values('003','zhuangys')
update Customer set names='zhangxq' where uid='002'
insert into Goods values('001','G01','25','100') insert into Goods values('002','G02','35','130') insert into Goods values('003','G03','25','100') use Shopping alter table Goods alter column goodsId varchar(51)
update Goods set uid='002' where goodsId='G02'
alter table Customer add address varchar(50)
update Customer set address='fz' where uid='001' update Customer set address='xm' where uid='002' update Customer set address='fz' where uid='003'
create table PromotionGood ( goodsId varchar(51), IsPromotion int check(Ispromotion=0 or IsPromotion=1) )
insert into PromotionGood values('G01','0') insert into PromotionGood values('G02','1')
/*根据购买的金额,将用户信息进行排列*/ /*1.福州地区所有用户的销售额*/ /*2.建立存储过程,计算积分*/
select *from Customer,Goods,PromotionGood
declare @amount bigint set @amount = select sum(goodsAmount*goodPrice) from Goods where uid='001' select *from Customer select distinct c1.names from Customer c1,Customer c2 where c1.names<>c2.names
select *from Customer as c1 where c1.names in(select names from Customer as c2 where c1.names=c2.names) select *from Customer as c1,Customer as c2 where c1.uid<>c2.uid and c1.uid in (select Goods.uid from Goods,Customer where Goods.uid=Customer.uid and Customer.address='xm')
select *from goods
select sum(goodsAmount*goodPrice) from goods where goods.uid in( select Goods.uid from Customer,goods where Customer.uid=goods.uid and customer.address='fz')
一些比较常用的操作。。。。哎怎么会忘记呢。。。