Thor Tall wrote:
> If I just delete from table_a and then table_b and the
> table_c I may risk deleting rows in table_b and
> table_c which correspond to rows in table_a. (due to
> the different times returned by now();

now() returns a constant value in a transaction.

-- 
Peter Eisentraut
http://developer.postgresql.org/~petere/

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