On Mon, Sep 18, 2006 at 03:54:05PM -0700, Junkone wrote:
> HI
> I have a table with a unique key constraint on col1,col2. The dattabase
> allowed an multiple inserts. here is how
> 
> col1          col2
> 'abc'          <empty space>
> 'abc'          <empty space>

Depends on what you mean by <empty space>. If you mean NULL, then it's
according to the SQL standard. NULL <> NULL so those rows are not
equal.

If you mean some real value, then yes, that's wierd.

Have a nice day,
-- 
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to 
> litigate.

Attachment: signature.asc
Description: Digital signature

Reply via email to