"Russ Brown" <[EMAIL PROTECTED]> writes:
> Is there any difference between these queries in terms of the speed of  
> planning or the quality of the plan untimately used?

http://www.postgresql.org/docs/7.4/static/explicit-joins.html
http://www.postgresql.org/docs/7.3/static/explicit-joins.html
http://www.postgresql.org/docs/7.2/static/explicit-joins.html
http://www.postgresql.org/docs/7.1/static/explicit-joins.html

depending on which version you are using.  (I think 7.1-7.3
are essentially alike, but 7.4 is not.)

                        regards, tom lane

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