Re: Column Name = column does not exist

On Mon, Jan 08, 2007 at 16:38:57 -0600,
  brian stapel <brians_224@hotmail.com> wrote:
> Thanks for your time.
>
> I'm in the process of trying to incorporate three Human Resource systems into one.  Each of the three systems had a
differentauthor and no standards were followed - consequently the table design leaves a bit to be desired.  One of the
mostcritical tables has a field named:Last_Name (case specific).  When I execute 'Select Last_Name from employee' the
statementfails with the following message: column "last_name" does not exist.  If I wrap the field name in quotes
"Last_Name"for example, the query works as expected. 
>
> Is this typical behavior?

Yes. In postgres, unquoted column and table names are converted to lower case.

In general, the advice is to either never quote names or always quote them.