declare @index int;
set @index = 1;
while(@index<=10)
begin
insert into shopping_user (uId,uName) values(@index,'user'+cast(@index as varchar(10)));
set @index = @index+1;
end;
insert into shopping_goods_category (cid,cName) values(1,'水果');
insert into shopping_goods_category (cid,cName) values( 2,'電腦');
insert into shopping_goods_category (cid,cName) values (3,'手機');
insert into shopping_goods_category (cid,cName) values (4,'服裝');
insert into shopping_goods_category (cid,cName) values (5,'食品');
------ 商品表sql
declare @index int;
declare @num int;
set @index = 1;
set @num = 10000;
begin
while(@index<=100*@num)
begin
if @index<=10*@num
begin
insert into shopping_goods (gId,gcId,gName,gPrice)
values (@index,1,'水果'+cast (@index as varchar(10)),cast( floor(rand()*100) as int) );
end;
else if @index >10*@num and @index <=20*@num
begin
insert into shopping_goods (gId,gcId,gName,gPrice)
values (@index,1,'水果'+cast (@index as varchar(10)),cast( floor(rand()*100) as int) );
end;
else if @index >20*@num and @index <=30*@num
begin
insert into shopping_goods (gId,gcId,gName,gPrice)
values (@index,2,'電腦'+cast (@index as varchar(10)),cast( floor(rand()*100) as int) );
end;
else if @index >30*@num and @index <=40*@num
begin
insert into shopping_goods (gId,gcId,gName,gPrice)
values (@index,2,'電腦'+cast (@index as varchar(10)),cast( floor(rand()*100) as int) );
end;
else if @index >40*@num and @index <=50*@num
begin
insert into shopping_goods (gId,gcId,gName,gPrice)
values (@index,3,'手機'+cast (@index as varchar(10)),cast( floor(rand()*100) as int) );
end;
else if @index >50*@num and @index <=60*@num
begin
insert into shopping_goods (gId,gcId,gName,gPrice)
values (@index,3,'手機'+cast (@index as varchar(10)),cast( floor(rand()*100) as int) );
end;
else if @index >60*@num and @index <=70*@num
begin
insert into shopping_goods (gId,gcId,gName,gPrice)
values (@index,4,'服裝'+cast (@index as varchar(10)),cast( floor(rand()*100) as int) );
end;
else if @index >70*@num and @index <=80*@num
begin
insert into shopping_goods (gId,gcId,gName,gPrice)
values (@index,4,'服裝'+cast (@index as varchar(10)),cast( floor(rand()*100) as int) );
end;
else if @index >80*@num and @index <=90*@num
begin
insert into shopping_goods (gId,gcId,gName,gPrice)
values (@index,5,'食品'+cast (@index as varchar(10)),cast( floor(rand()*100) as int) );
end;
else if @index >90*@num and @index <=100*@num
begin
insert into shopping_goods (gId,gcId,gName,gPrice)
values (@index,5,'食品'+cast (@index as varchar(10)),cast( floor(rand()*100) as int) );
end;
set @index = @index+1;
end;
end;
------- 訂單表sql
declare @index int;
declare @num int;
declare @timeNum int;
declare @userId int;
declare @goodsId int;
declare @money int;
declare @addTime varchar(30);
set @index = 1;
set @num = 10000;
set @timeNum = 0;
set @userId = 1;
set @goodsid = 1;
set @money = 100;
set @addTime = '';
begin
while(@index<=100*@num)
begin
set @timeNum = cast( floor(rand()*30)+1 as int)
set @userId = cast( floor(rand()*99)+1 as int)
set @money = cast ( floor(rand()*5000)[email protected] as int)
set @addTime = dateadd(day,@timeNum,getdate())
set @goodsId = cast( floor(rand()*999999)+1 as int)
if @index<=10*@num
begin
insert into shopping_order (oid,oUserId,oAddTime,oGoodsId,oMoney)
values (@index,@userId,@addTime,@goodsId,@money );
end;
else if @index >10*@num and @index <=20*@num
begin
insert into shopping_order (oid,oUserId,oAddTime,oGoodsId,oMoney)
values (@index,@userId,@addTime,@goodsId,@money );
end;
else if @index >20*@num and @index <=30*@num
begin
insert into shopping_order (oid,oUserId,oAddTime,oGoodsId,oMoney)
values (@index,@userId,@addTime,@goodsId,@money );
end;
else if @index >30*@num and @index <=40*@num
begin
insert into shopping_order (oid,oUserId,oAddTime,oGoodsId,oMoney)
values (@index,@userId,@addTime,@goodsId,@money );
end;
else if @index >40*@num and @index <=50*@num
begin
insert into shopping_order (oid,oUserId,oAddTime,oGoodsId,oMoney)
values (@index,@userId,@addTime,@goodsId,@money );
end;
else if @index >50*@num and @index <=60*@num
begin
insert into shopping_order (oid,oUserId,oAddTime,oGoodsId,oMoney)
values (@index,@userId,@addTime,@goodsId,@money );
end;
else if @index >60*@num and @index <=70*@num
begin
insert into shopping_order (oid,oUserId,oAddTime,oGoodsId,oMoney)
values (@index,@userId,@addTime,@goodsId,@money );
end;
else if @index >70*@num and @index <=80*@num
begin
insert into shopping_order (oid,oUserId,oAddTime,oGoodsId,oMoney)
values (@index,@userId,@addTime,@goodsId,@money );
end;
else if @index >80*@num and @index <=90*@num
begin
insert into shopping_order (oid,oUserId,oAddTime,oGoodsId,oMoney)
values (@index,@userId,@addTime,@goodsId,@money );
end;
else if @index >90*@num and @index <=100*@num
begin
insert into shopping_order (oid,oUserId,oAddTime,oGoodsId,oMoney)
values (@index,@userId,@addTime,@goodsId,@money );
end;
set @index = @index+1;
end;
end;
建立索引
create index gcid_index on shopping_goods (gcid);
create index userid_index on shopping_order(ouserid);
create index goodsid_index on shopping_order(ogoodsid);
SET STATISTICS IO ON
select top 20 * from shopping_order where exists (
select top 10 gid from shopping_goods where gcid =2 and ogoodsid = gid order by gprice desc)
select top 20 * from shopping_order where goodsid in (
select top 10 gid from shopping_goods where gcid =2 order by gprice desc)
-- DBCC DROPCLEANBUFFERS