how do I check for lower case

From: Juliann Meyer <Julie(dot)Meyer(at)noaa(dot)gov>
To: pgsql-sql(at)postgresql(dot)org
Subject: how do I check for lower case
Date: 2006-08-10 20:32:05
Message-ID: 44DB97C5.9090307@noaa.gov
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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.

Julie

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