When grilled further on (Tue, 28 Sep 2004 09:28:47 -0500),
Kevin Barnard <[EMAIL PROTECTED]> confessed:

> What does observations_trigger do?
> 

The trigger keeps another table (catalog) up to date with the information from the 
obs_v and obs_i tables.  There are no direct insert/update/delete's on the catalog 
table, only though the trigger.

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