NYCPHP Meetup

[Daniel Convissor]

On Mon, May 10, 2004 at 12:06:24PM -0400, Rahmin Pavlovic wrote:
> 
> Which worked fairly quickly, however it also imported entries from
> table_a that already exist in table_b.

If you need to ensure records are unique, use primary and/or unique 
indexes on the columns in question.  Doing this gets the database to 
automatically reject duplicates for you.

--Dan

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