Yes it would.  But it's missing for any user-defined type.

What I want to know, is if there's something I need change in SQL Server
2005 to let this happen, or some method on an object I need to implement or
if it's just not possible.

Thanks,
Mike


On 12/14/05, Vince P <[EMAIL PROTECTED]> wrote:
>
> Wouldn't that be a table-level property on the column for which you are
> assigning the type?
>
> -----Original Message-----
> From: Discussion of advanced .NET topics.
> [mailto:[EMAIL PROTECTED] On Behalf Of Mike Andrews
> Sent: Wednesday, December 14, 2005 3:37 PM
> To: ADVANCED-DOTNET@DISCUSS.DEVELOP.COM
> Subject: [ADVANCED-DOTNET] SQL Server 2005 User-Defined Data Types (CLR)
> and
> constraints...
>
> Guys,
>
> Do any of you know if you can put a constraint on a CLR data type?
>
> What I've been doing is some experimentation with SQL Server 2005 and I've
> created as user-defined data type.  What I'd like to know is if I can have
> a
> unique constraint on that data type to prevent duplicates.
>
> Thanks,
> Mike
>
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