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Time Dimension best practice?


Time Dimension best practice?

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dario.quinn
dario.quinn
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Currently I have one table and one date record with a format of (2011-05-25 23:00:00.000) I would like to create a time dimension that includes Years, Quarters and Months as it will be easier for reporting on. What is the easiest way to do this ?
Mackers
Mackers
Say Hey Kid
Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)

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Create a view in SQL and base your dimension off that. You might want to write this to a table to give you some flexibility to name quarters or semesters etc

select
Year(GetDate()) As Year_Key
, Year(GetDate()) * 100 + Datepart(qq,GetDate()) As Quarter_Key
, Year(GetDate()) * 100 + Datepart(mm,GetDate()) As Month_Key
, DateName(mm,GetDate()) + ' ' + Cast(Year(GetDate()) As VarChar) As Month_Name

Mack
Koen Verbeeck
Koen Verbeeck
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Here's a script to create a time dimension:

Script to Populate Date Dimension, without Using a Cursor

I wouldn't stop at the month level. I would create the dimension to the date level. You never know if the requirements for reporting change and this way you'll be ready. And it aren't that many rows.


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Mackers
Mackers
Say Hey Kid
Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)Say Hey Kid (693 reputation)

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Agree - I got bored writing the SQL.....
dario.quinn
dario.quinn
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Thanks for the reply's ! I'll let you know how I get one !
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