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Re: character data used as a number

From: Steve Haynes <steve_at_rwx777.demon.co.uk>
Date: Sun, 1 Oct 2000 00:36:19 +0100
Message-ID: <fZTQrIAzjn15Ewm2@rwx777.demon.co.uk>

In article <39d621f0.54898851_at_news.mindspring.com>, James A. Williams <willjamu_at_mindspring.com> writes
>I have a user with an application with a column of a table defined as
>VARCHAR2 instead of NUMBER for whatever reason. The table has no
>constraints about the column in question at the moment. When the data
>comes from DB2 on OS/390 (where there can be a dash in the number
>occasionally it is inserted into the Oracle table. Users use the TONUM
>function to convert the value to a number for processing. We if dashes
>are in the column this does not work. What would be a query I could
>use to check for all varchar2 's that can't be converted to a number?
>

just use to_number and catch the exceptions... Steve Received on Sat Sep 30 2000 - 18:36:19 CDT

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