Ted Byers <r.ted.byers@rogers.com> writes:
> --- Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Why are you asking this list for help with a MySQL
>> performance problem?
>>
> because my question isn't really about MySQL, but
> rather about how best to construct the SQL required to
> get the job done, regardless of what database is used.
> I have seen some claims that it is better to use
> joins instead of correlated subqueries and others that
> say the opposite.
The problem is that the answer may well be different for different
databases. You'd get better answers about MySQL on a MySQL list
than you'll get here.
regards, tom lane
