NYCPHP Meetup

[Andy Dirnberger]

You know, I thought that too.  I had an Oracle window open at the time and
not a MySQL one.  Oracle won't let you do it, but I just checked and MySQL
will.

-----Original Message-----
From: talk-bounces at lists.nyphp.org [mailto:talk-bounces at lists.nyphp.org] On
Behalf Of Rob Marscher
Sent: Thursday, December 07, 2006 10:34 AM
To: NYPHP Talk
Subject: Re: [nycphp-talk] OT - MySQL select question

I'm pretty sure the subquery is redundant... I think this will work...

SELECT * FROM table_name GROUP BY field_name HAVING COUNT(*) > 1



Andy Dirnberger wrote:
> SELECT * FROM table_name WHERE field_name IN (SELECT field_name FROM
> table_name GROUP BY field_name HAVING COUNT(*) > 1)
>
> -----Original Message-----
> From: talk-bounces at lists.nyphp.org [mailto:talk-bounces at lists.nyphp.org]
On
> Behalf Of Aaron Fischer
> Sent: Thursday, December 07, 2006 10:10 AM
> To: NYPHP Talk
> Subject: [nycphp-talk] OT - MySQL select question
>
> Greetings,
>
> I'm not sure how to do the following, any tips?
>
> I have a column in a MySQL table that contains varchars.  I would like 
> to select all records where there are instances of more than one record 
> for any given varchar.
>
> So in plain language, the SQL statement would look something like:
>
> select * from table where the occurence of each unique varchar in column 
> A is greater than one.
>
> Thoughts?  Thanks!
>
> -Aaron
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