Hi,
Where can I find information on creating a time dimension o display my data
for different periods.

I am collecting orders (in my OLAP Server) as in the sample below

OrderID CustID ProdID Qty Price DateOrdered
12343 ABC455 12003 1 1.00 2006-01-01
15543 AZC475 19943 3 5.00 2006-02-01
12333 ABQ415 55343 1 1.00 2006-03-01
12243 BBC255 66343 2 2.00 2006-04-01
12773 AZC475 12343 1 1.00 2006-05-01

How do I apply a time dimension to sort by Year, Quarter, Month, Week,
Day(s)? Does his need to be in a separate tabel? Where can I find some
samples?

Thanks

If you're using AS 2005, a Server Time Dimension can be created, without
a separate time table:

http://msdn2.microsoft.com/en-us/library/ms174832.aspx
Defining a Server Time Dimension

A time dimension in Microsoft SQL Server 2005 Analysis Services (SSAS)
can be based either on a table in a data source view or on a date range.
A time dimension that is based on a table is really no different from
any other standard dimension. Its attributes are bound to columns of a
dimension table just like any other standard dimension.

In contrast, a range-based time dimension is typically used when there
is no separate time table to define time periods. Attributes of a
range-based time dimension have time-attribute bindings, which define
the attributes according to specified time periods such as Years,
Months, Weeks, or Days. Because the data for a range-based time
dimension is created and stored on the server instead of coming from any
table in the data source, a range-based time dimension is called a
server time dimension.
...

- Deepak

Deepak Puri
Microsoft MVP - SQL Server

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Hi,
I am using SQL 2000 AS. I guess I'll have to create a separate table with
the time-data data and then map to my fact table. Where can I find sample of
time dimension data table? I am looking to track by Year, Quarter, Month,
Week, Days, Holidays.

Thanks

"Deepak Puri" wrote:

There are some previous Newsgroup posts with sample SQL scripts for
creating date/time tables. But I don't think that they flag holidays -
here's an example:

http://groups.google.com/group/micro...datawarehouse/
msg/972edd58f55931ed?hl=en&

You can use this -

CREATE TABLE [dbo].[time_dimension] (
[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 --Incrementing the days by one
SELECT @dDate = '01/01/1960' --The start date

WHILE @dDate < '12/31/2000' --End Date
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


Best Regards

Trevor Dwyer - SQL Server MVP
...

- Deepak

Deepak Puri
Microsoft MVP - SQL Server

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