When grilled further on (Tue, 28 Sep 2004 09:28:47 -0500),
Kevin Barnard <kevin(dot)barnard(at)gmail(dot)com> 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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