"Y Sidhu" <ysidhu(at)gmail(dot)com> writes:
> The question is: Is this method of repeatedly establishing and
> re-establishing database connections with the same 3 tables efficient?
No. Launching a new backend process is a fairly expensive proposition;
if you're striving for performance you don't want to do it for just one
or two queries. Look into connection pooling ...
regards, tom lane