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編者注:小甲問(wèn):達(dá)人們的經(jīng)驗(yàn)是從哪里來(lái)的?答曰:經(jīng)驗(yàn)來(lái)源于實(shí)踐,來(lái)源于生活中的點(diǎn)滴注意。學(xué)會(huì)總結(jié),學(xué)會(huì)注意,學(xué)會(huì)發(fā)現(xiàn)...你也能浴火重生,跳脫升華...跟隨筆者,我們知道了如何篩選數(shù)據(jù)列的信息,知道了分割字符串的簡(jiǎn)單函數(shù),還知道了SET QUOTED_IDENTIFIER OFF語(yǔ)句的作用。現(xiàn)在我們要繼續(xù)跟隨筆者,分享他的SQL的點(diǎn)點(diǎn)滴滴,現(xiàn)在開(kāi)始....

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數(shù)據(jù)倉(cāng)庫(kù)中有時(shí)間表,存儲(chǔ)時(shí)間信息,這個(gè)存儲(chǔ)過(guò)程接收開(kāi)始時(shí)間結(jié)束時(shí)間,寫(xiě)入時(shí)間具體信息。有高手用excel函數(shù)功能很快能產(chǎn)生INSERT語(yǔ)句不會(huì)啊,只能用這個(gè)。
參考知識(shí)??????????????
- vSET ANSI_NULLS ON
- GO
- SET QUOTED_IDENTIFIER ON
- GO
- /*-------------------------------------------------------- 。
- *generate Date demention
- *@startdate '01/01/2010'
- *@enddate '12/30/2010'
- ---------------------------------------------------------*/
- CREATE PROCEDURE dbo.AddDateTime
- @startdate datetime,
- @enddate datetime
- AS
- declare @i int
- set @i=1
- while(DATEDIFF(DD,@startdate,@enddate)>=0)
- begin
- insert into [ReportServer].[dbo].[D_DATE](
- [DATE_KEY], --primarykey
- [DATE], --datetime
- [FULL_DATE_DESCRIPTION], --detail date
- [DAY_OF_WEEK], --day of week from 1 to 6
- [CALENDAR_MONTH], --month of year from 1 to 12
- [CALENDAR_YEAR], --year
- [FISCAL_YEAR_MONTH], --fiscal year
- [HOLIDAY_INDICATOR], --holiday iden
- [WEEKDAY_INDICATOR])
- select
- @i,
- CONVERT(varchar(10),@startdate,101),
- DATENAME(mm,@startdate)+' '+DATENAME(DD,@startdate)+', '+DATENAME(YYYY,@startdate),
- DATEPART(DW,@startdate),
- DATEPART(MM,@startdate),
- DATEPART(YYYY,@startdate),
- 'F'+ CONVERT(varchar(7),@startdate,23),
- case
- when( CONVERT(varchar(5),@startdate,101) in ('01/01','01/05','02/05','03/05','01/10','02/10','03/10','04/10','05/10','06/10') ) then 1
- else 0 end,
- case
- when(DATENAME(DW,@startdate) in ('Saturday','Sunday')) then 1
- else 0 end
- if DATEDIFF(DD,@startdate,@enddate)>=0
- begin
- set @startdate = DATEADD(dd,1,@startdate)
- set @i=@i+1
- continue
- end
- else
- begin
- break
- end
- end
本文題目:SQL點(diǎn)滴之產(chǎn)生時(shí)間demention,主要是時(shí)間轉(zhuǎn)換
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