Declare a Date variable at start of SQL Script - forum topic by DataHead

Hi,
To avoid entering a date parameter many times, in many different formats to my script, I want to declare a date variable at the start.
I would then use the CAST function to change the formats to suit the task.
I'm using SQL Assistant 13:11 with Windows XP if that helps.
The code below is an example only of how I see this working, just to give you an idea of what I'm after.
Thanks

DECLARE      Date_Tm   AS  '2012-12-31 23:59:59'
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CREATE TABLE       SOME_DATA             AS
 CAST((Date_Tm (FORMAT 'YYYY-MM-DD')) AS VARCHAR(10)) AS Yr_Mon_Dy
,CAST((Date_Tm (FORMAT 'YYYYMM')) AS CHAR(6)) AS Yr_Mon
...
...
... etc etc ...