Subject | Re: [firebird-support] Join performance |
---|---|
Author | Daniel Rail |
Post date | 2003-12-11T14:41:30Z |
Hi,
At December 11, 2003, 09:51, Sandy wrote:
indices for both tables?
And, both syntaxes do perform the same thing, but are from 2 different
SQL standards(the first one above is from SQL-92 and above, and the
second one is SQL-89).
--
Best regards,
Daniel Rail
Senior System Engineer
ACCRA Group Inc. (www.accra.ca)
ACCRA Med Software Inc. (www.filopto.com)
At December 11, 2003, 09:51, Sandy wrote:
> Hi,What are the generated plans for both syntaxes? And, what are the
> I've noticed several times recently that a simple step that seems to speed
> up my queries (sometimes quite substantially) is to replace a join like...
> ... FROM sales INNER JOIN customer ON sales.pk = customer.pk
> with this
> ... FROM sale, customer WHERE sale.pk = customer.pk
> I was under the impression that both of these methods were pretty much the
> same thing, but apparently not. What is the difference?
indices for both tables?
And, both syntaxes do perform the same thing, but are from 2 different
SQL standards(the first one above is from SQL-92 and above, and the
second one is SQL-89).
--
Best regards,
Daniel Rail
Senior System Engineer
ACCRA Group Inc. (www.accra.ca)
ACCRA Med Software Inc. (www.filopto.com)