DimDate populate data

CREATE TABLE [dbo].[DimDate](

[DateKey] [int] NOT NULL,

[FullDateAlternateKey] [date] NOT NULL,

[DayNumberOfWeek] [tinyint] NOT NULL,

[EnglishDayNameOfWeek] [nvarchar](10) NOT NULL,

[DayNumberOfMonth] [tinyint] NOT NULL,

[DayNumberOfYear] [smallint] NOT NULL,

[WeekNumberOfYear] [tinyint] NOT NULL,

[EnglishMonthName] [nvarchar](10) NOT NULL,

[MonthNumberOfYear] [tinyint] NOT NULL,

[CalendarQuarter] [tinyint] NOT NULL,

[CalendarYear] [smallint] NOT NULL,

[CalendarSemester] [tinyint] NOT NULL,

[FiscalQuarter] [tinyint] NOT NULL,

[FiscalYear] [smallint] NOT NULL,

[FiscalSemester] [tinyint] NOT NULL,

CONSTRAINT [PK_DimDate_DateKey] PRIMARY KEY CLUSTERED

(

[DateKey] ASC

)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY],

CONSTRAINT [AK_DimDate_FullDateAlternateKey] UNIQUE NONCLUSTERED

(

[FullDateAlternateKey] ASC

)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]

) ON [PRIMARY]

   

GO

   

BEGIN TRAN

   

declare @startdate date = ‘2005-01-01‘,

@enddate date = ‘2015-12-31‘

Declare @datelist table (FullDate date)

   

while @startdate <= @enddate

Begin

Insert into @datelist (FullDate)

Select @startdate

Set @startdate = dateadd(dd,1,@startdate)

end

Insert into dbo.DimDate

(DateKey,

FullDateAlternateKey,

DayNumberOfWeek,

EnglishDayNameOfWeek,

DayNumberOfMonth,

DayNumberOfYear,

WeekNumberOfYear,

EnglishMonthName,

MonthNumberOfYear,

CalendarQuarter,

CalendarYear,

CalendarSemester,

FiscalQuarter,

FiscalYear,

FiscalSemester)

   

select convert(int,convert(varchar,dl.FullDate,112)) as DateKey,

dl.FullDate,

datepart(dw,dl.FullDate) as DayNumberOfWeek,

datename(weekday,dl.FullDate) as EnglishDayNameOfWeek,

datepart(d,dl.FullDate) as DayNumberOfMonth,

datepart(dy,dl.FullDate) as DayNumberOfYear,

datepart(wk, dl.FUllDate) as WeekNumberOfYear,

datename(MONTH,dl.FullDate) as EnglishMonthName,

Month(dl.FullDate) as MonthNumberOfYear,

datepart(qq, dl.FullDate) as CalendarQuarter,

year(dl.FullDate) as CalendarYear,

case datepart(qq, dl.FullDate)

when 1 then 1

when 2 then 1

when 3 then 2

when 4 then 2

end as CalendarSemester,

case datepart(qq, dl.FullDate)

when 1 then 3

when 2 then 4

when 3 then 1

when 4 then 2

end as FiscalQuarter,

case datepart(qq, dl.FullDate)

when 1 then year(dl.FullDate)

when 2 then year(dl.FullDate)

when 3 then year(dl.FullDate) + 1

when 4 then year(dl.FullDate) + 1

end as FiscalYear,

case datepart(qq, dl.FullDate)

when 1 then 2

when 2 then 2

when 3 then 1

when 4 then 1

end as FiscalSemester

from @datelist dl ;

   

commit tran;