select min(日期) into #t from yourtable
declare @d datetime
select @d = min(日期) from yourtable
while exists (select * from yourtable where 日期 > @d)
begin
set @d = dateadd(day, 1, @d)
insert #t select @d
end
select A.日期, sum(B.销售额) from #t A left join yourtable B
on A.日期 = B.日期 group by A.日期
declare @d datetime
select @d = min(日期) from yourtable
while exists (select * from yourtable where 日期 > @d)
begin
set @d = dateadd(day, 1, @d)
insert #t select @d
end
select A.日期, sum(B.销售额) from #t A left join yourtable B
on A.日期 = B.日期 group by A.日期
declare @d datetime
select @d = min(日期) from yourtable
while exists (select * from yourtable where 日期 > @d)
begin
set @d = dateadd(day, 1, @d)
insert #t select @d
end
select A.日期, isnull(sum(B.销售额),0) from #t A left join yourtable B
on A.日期 = B.日期 group by A.日期
select @min=min(日期),@max=max(日期) from [table]select top 365 identity(int,0,1) num into # from sysobjects,sysobjects a
select a.mydate 日期,isnull(sum(b.销售额),0) 销售额 from
(select dateadd(day,num,@min) mydate from # where dateadd(day,num,@min)<=@max) a
left join [table] b on a.mydate=b.日期 group by a.mydate
select @min=min(日期),@max=max(日期) from [table]select top 365 identity(int,0,1) num into # from sysobjects,sysobjects a
select a.mydate 日期,isnull(sum(b.销售额),0) 销售额 from # a
left join [table] b on a.NUM+@Min=b.日期
where a.Num+@min<@Max
group by a.Num+@min