Yes, you CAN add columns to the view as SYS.  However, if you break 
something doing so, you aren't supported.  Also any db upgrades will 
destroy your changes and invalidate any code that references it.  Better 
idea might be to create a table with a similar key as user_tab_columns 
with your xtra column in it.  Then create a custom_user_tab_cols view 
where your column is added to the rest and use it in your form.

Rodd Holman

>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 5/18/01, 11:25:49 AM, Greg Schraiber <[EMAIL PROTECTED]> wrote 
regarding adding columns to system tables:


> Does anyone know if it is 'safe' to add additional columns
> to user_tab_columns? I am running 8.1.5. I would use the new
> columns to tell the application software which columns on
> any one table are user editable by a dynamically generated
> dialog form.

> Thanks,
> Greg

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