Cast/Substring Func not working

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Cast/Substring Func not working

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Topic

Trudye
Posting Yak Master

169 Posts

Posted - 2009-10-17 : 15:31:23

Hi Guys, having a little trouble with the following func.:
select CAST(SUBSTRING(CEFDT, 5, 2) AS varchar) as Eff_Date
FROM DBO.DtTbl

CEFDT is a date with a format of yyyymmdd that I need to convert to mmddyyyy. The Right/Left functions are working fine this one is giving me grief. I am receiving the following msg:
Argument data type numeric is invalid for argument 1 of substring function.

Any idea how I can fix this one?
Thanx much

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2009-10-17 : 15:56:11

What data type is CEFDT? Is it varchar, char, or int?

If LEFT/RIGHT are working fine for you, then why don't you use those?

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

Subscribe to my blog

"Let's begin with the premise that everything you've done up until this point is wrong."

dsdeming

479 Posts

Posted - 2009-10-18 : 10:52:46

How about this:

select SUBSTRING(CONVERT(char(8), CEFDT, 112), 5, 2) as Eff_Date
FROM DBO.DtTbl

Dennis

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