How do I create a dates table with every possible date??

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How do I create a dates table with every possible date??

Nuts

SSCrazy

Points: 2547
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February 13, 2008 at 1:50 pm

#75849

Hi Guys
I have a dates table but i just realized that some years are missing from the table
I need to create a dates table with dates starting from 1990 till 2017
I had a look at some previous posts but they were too complicated to understand.
Can you help me please??
Thanks a tonne

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Loner SSC-Insane Points: 21279 More actions · Answer 1

I assume you just want the date in the table.

CREATE TABLE YourDate (DateCol DATETIME)

DECLARE @StartDate DATETIME,

@EndDate DATETIME,

@WorkDate DATETIME

SET @StartDate = '01/01/1990'

SET @EndDate = '12/31/2017'

SET @WorkDate = '01/01/1990'

WHILE @WorkDate <= @EndDate

BEGIN

INSERT INTO YourDate(DateCol) SELECT @WorkDate

SET @WorkDate = DATEADD(DD, 1, @WorkDate)

END

Jeff Moden SSC Guru Points: 1004409 More actions · Answer 2

Nuts,

I always like to see what people have up their sleeves for date and other utility tables... would you mind generating/posting the CREATE statement for your date table and maybe even posting the first 10 rows from the table?

Thank you in advance... I'd really appreciate it.

--Jeff Moden

RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.

Change is inevitable... Change for the better is not.

Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

Jeff Moden SSC Guru Points: 1004409 More actions · Answer 3

Heh... considering that it's been over two weeks, I guess you do mind.

Thanks, anyway 😉

--Jeff Moden

RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.

Change is inevitable... Change for the better is not.

Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)