[nycphp-talk] SQL question
Adrian Noland
anoland at indigente.net
Tue Jul 24 08:54:51 EDT 2007
On 7/23/07, Rob Marscher <rmarscher at beaffinitive.com> wrote:
>
>
> If you did an INNER JOIN:
> SELECT u.id, s.id FROM user u INNER JOIN session s ON u.id =
> s.user_id WHERE u.id = 5
<snip>
>
> ... We had a discussion last year
> on NYPHP-MySQL about INNER JOIN versus commas (cartesian join) -- you
> so often see it with commas in tutorials and other people's code.
> But the concensus we came to was that it's best to be as specific as
> possible... so I've always used INNER JOINs instead of commas ever
> since.
>
> Later,
> Rob
>
Rob,
Is INNER JOIN synonymous with JOIN ON? Does one imply the other?
And do you remember the time frame of that discussion to look it up?
Thanks,
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