DimDate OLAP中Date维度表结构的建议及表数据的生成

CREATE TABLE [dbo].[DimDate](
[DateKey] [int] NOT NULL,
[FullDateAlternateKey] [date] NOT NULL,
[DayNumberOfWeek] [tinyint] NOT NULL,
[EnglishDayNameOfWeek] [varchar](50) NOT NULL,
[ChineseDayNameOfWeek] [varchar](50) NOT NULL,
[DayNumberOfMonth] [tinyint] NOT NULL,
[DayNumberOfYear] [smallint] NOT NULL,
[WeekNumberOfYear] [tinyint] NOT NULL,
[EnglishMonthName] [varchar](50) NOT NULL,
[ChineseMonthName] [varchar](50) NOT NULL,
[MonthNumberOfYear] [tinyint] NOT NULL,
[CalendarQuarter] [tinyint] NOT NULL,
[CalendarYear] [smallint] NOT NULL,
[CalendarSemester] [tinyint] NOT NULL,
CONSTRAINT [PK_DimDate] 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]
) ON [PRIMARY]

GO

SET ANSI_PADDING OFF
GO

truncate table dimDate
go
--生成一年的时期维护数据,生成从2010年开始到2041年的所有日期维度
declare @curDate datetime
declare @endDate datetime
set @curDate='2010-01-01 00:00:00'
set @endDate='2041-12-31 00:00:00'
WHILE (@curDate <= @endDate)
BEGIN
Insert into dimDate(
DateKey,
FullDateAlternateKey,
DayNumberOfWeek,
EnglishDayNameOfWeek,
ChineseDayNameOfWeek,
DayNumberOfMonth,
DayNumberOfYear,
WeekNumberOfYear,
EnglishMonthName,
ChineseMonthName,
MonthNumberOfYear,
CalendarQuarter,
CalendarYear,
CalendarSemester
)
SELECT
Convert(varchar(8),@curDate,112) as DateKey,
Convert(varchar(10),@curDate,120) as FullDateAlternateKey,
datepart(weekday,@curDate) as DayNumberOfWeek,
(
case datepart(dw,@curDate)
when 1 then 'Sunday'
when 2 then 'Monday'
when 3 then 'Tuesday'
when 4 then 'Wednesday'
when 5 then 'Thursday'
when 6 then 'Friday'
when 7 then 'Saturday'
end
) as EnglishDayNameOfWeek,
(
case datepart(dw,@curDate)
when 1 then '星期日'
when 2 then '星期一'
when 3 then '星期二'
when 4 then '星期三'
when 5 then '星期四'
when 6 then '星期五'
when 7 then '星期六'
end
) as ChineseDayNameOfWeek,
datepart(day,@curDate) as DayNumberOfMonth,
datepart(dayofyear,@curDate) as DayNumberOfYear,
datepart(week, @curDate) as WeekNumberOfYear,
(
case datepart(MONTH,@curDate)
when 1 then 'January'
when 2 then 'February'
when 3 then 'March'
when 4 then 'April'
when 5 then 'May'
when 6 then 'June'
when 7 then 'July'
when 8 then 'August'
when 9 then 'September'
when 10 then 'October'
when 11 then 'November'
when 12 then 'December'
end
) as EnglishMonthName,
(
case datepart(MONTH,@curDate)
when 1 then '一月'
when 2 then '二月'
when 3 then '三月'
when 4 then '四月'
when 5 then '五月'
when 6 then '六月'
when 7 then '七月'
when 8 then '八月'
when 9 then '九月'
when 10 then '十月'
when 11 then '十一月'
when 12 then '十二月'
end
) as ChineseMonthName,
datepart(MONTH,@curDate) as MonthNumberOfYear,
datepart(Quarter,@curDate) as CalendarQuarter,
datepart(year,@curDate) as CalendarYear,
(case when datepart(MONTH,@curDate)>6 then 1 else 2 end) as CalendarSemester
set @curDate=@curDate+1
END

--生成一年的时期维护数据,生成从2010年开始到2041年的所有日期维度(带小时的)

declare @curDate datetime
declare @endDate datetime
set @curDate='2010-01-01 00:00:00'
set @endDate='2041-12-31 00:00:00'
WHILE (@curDate <= @endDate)
BEGIN
Insert into dimDate(
DateKey,
FullDateAlternateKey,
HourNumberOfDay,
DayNumberOfWeek,
EnglishDayNameOfWeek,
ChineseDayNameOfWeek,
DayNumberOfMonth,
DayNumberOfYear,
WeekNumberOfYear,
EnglishMonthName,
ChineseMonthName,
MonthNumberOfYear,
CalendarQuarter,
CalendarYear,
CalendarSemester
)
SELECT
REPLACE(REPLACE(Convert(varchar(13),@curDate,120),'-',''),' ','') as DateKey,
@curDate as FullDateAlternateKey,
datepart(hour,@curDate) as HourNumberOfDay,
datepart(weekday,@curDate) as DayNumberOfWeek,
(
case datepart(dw,@curDate)
when 1 then 'Sunday'
when 2 then 'Monday'
when 3 then 'Tuesday'
when 4 then 'Wednesday'
when 5 then 'Thursday'
when 6 then 'Friday'
when 7 then 'Saturday'
end
) as EnglishDayNameOfWeek,
(
case datepart(dw,@curDate)
when 1 then '星期日'
when 2 then '星期一'
when 3 then '星期二'
when 4 then '星期三'
when 5 then '星期四'
when 6 then '星期五'
when 7 then '星期六'
end
) as ChineseDayNameOfWeek,
datepart(day,@curDate) as DayNumberOfMonth,
datepart(dayofyear,@curDate) as DayNumberOfYear,
datepart(week, @curDate) as WeekNumberOfYear,
(
case datepart(MONTH,@curDate)
when 1 then 'January'
when 2 then 'February'
when 3 then 'March'
when 4 then 'April'
when 5 then 'May'
when 6 then 'June'
when 7 then 'July'
when 8 then 'August'
when 9 then 'September'
when 10 then 'October'
when 11 then 'November'
when 12 then 'December'
end
) as EnglishMonthName,
(
case datepart(MONTH,@curDate)
when 1 then '一月'
when 2 then '二月'
when 3 then '三月'
when 4 then '四月'
when 5 then '五月'
when 6 then '六月'
when 7 then '七月'
when 8 then '八月'
when 9 then '九月'
when 10 then '十月'
when 11 then '十一月'
when 12 then '十二月'
end
) as ChineseMonthName,
datepart(MONTH,@curDate) as MonthNumberOfYear,
datepart(Quarter,@curDate) as CalendarQuarter,
datepart(year,@curDate) as CalendarYear,
(case when datepart(MONTH,@curDate)>6 then 1 else 2 end) as CalendarSemester
set @curDate=DATEADD(HOUR,1, @curDate)
END