Re: how do I check for lower case - Mailing list pgsql-sql

On 8/10/06, Juliann Meyer <Julie.Meyer@noaa.gov> wrote:
> I have a table with a column, lets call it identifier, that is defined
> as varchar(8) that should never contain lower case letters.  Its a large
> table.  Is there a way to query the table to see if any values in this
> column are lower case and to get a list out?  The user interface
> application that users use prevents them from adding an entry in lower
> case  now, but didn't in earlier version.

select * from sometable where identifier <> upper(identifier);

Regards,

Rodrigo