Re: disallow updates on column or whole table

Don't change thread subjects, it confuses people.  Start a new thread
if you have a new topic.

In response to Peter Billen <peter@clueless.be>:
>
> What is the best way to disallow updates on a column of a table, or even
> on a whole table itself?
>
> I can write a BEFORE UPDATE trigger which compares old.column_name(s) to
> new.column_name(s) and raise an exception if these values are different.
>
> Are there better ways?

You can use the GRANT system to enforce table-wide restrictions.  See
the docs on GRANT and REVOKE and associated doc sections.

--
Bill Moran
Collaborative Fusion Inc.
http://people.collaborativefusion.com/~wmoran/

wmoran@collaborativefusion.com
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