Rules

I'd like to know in what order are rules executed, comparing to the
queries that generated them.
For instance, supose that a INSERT on table A has a rule to update a
column in table B. What will be executed first: the INSERT or UPDATE?

Tks

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Nelio Alves Pereira Filho
IFX Networks - www.ifx.com.br
+55 11 3365-5863
nelio@ifx.com.br