让数据库产生一张详细的日历表_sqlserver

让数据库产生一张详细的日历表

也许有了这张表，你的工作会轻松很多！

CREATE TABLE [dbo].[time_dimension] (

http://www.gaodaima.com/35281.html让数据库产生一张详细的日历表_sqlserver

   [time_id] [int] IDENTITY (1, 1) NOT NULL ,
   [the_date] [datetime] NULL ,
   [the_day] [nvarchar] (15) NULL ,
   [the_month] [nvarchar] (15) NULL ,
   [the_year] [smallint] NULL ,
   [day_of_month] [smallint] NULL ,
   [week_of_year] [smallint] NULL ,
   [month_of_year] [smallint] NULL ,
   [quarter] [nvarchar] (2) NULL ,
   [fiscal_period] [nvarchar] (20) NULL
) ON [PRIMARY]

 
DECLARE @WeekString varchar(12),
@dDate SMALLDATETIME,
@sMonth varchar(20),
@iYear smallint,
@iDayOfMonth smallint,
@iWeekOfYear smallint,
@iMonthOfYear smallint,
@sQuarter varchar(2),
@sSQL varchar(100),
@adddays int
 
SELECT @adddays = 1 –日期增量（可以自由设定）
SELECT @dDate = ’01/01/2002′ –开始日期
 
WHILE @dDate < ’12/31/2004′  –结束日期
BEGIN
 
   SELECT @WeekString = DATENAME (dw, @dDate)
   SELECT @sMonth=DATENAME(mm,@dDate)
   SELECT @iYear= DATENAME (yy, @dDate)
   SELECT @iDayOfMonth=DATENAME (dd, @dDate)
   SELECT @iWeekOfYear= DATENAME (week, @dDate)
   SELECT @iMonthOfYear=DATEPART(month, @dDate)
   SELECT @sQuarter = ‘Q’ +  CAST(DATENAME (quarter, @dDate)as varchar(1))

   INSERT INTO time_dimension(the_date, the_day, the_month, the_year,
   day_of_month,
   week_of_year, month_of_year, quarter) VALUES
   (@dDate, @WeekString, @sMonth, @iYear, @iDayOfMonth, @iWeekOfYear,
   @iMonthOfYear, @sQuarter)
   SELECT @dDate = @dDate + @adddays
END
GO

select * from time_dimension

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