Mysql 3.23.54.

My first thought was to load the output from the tables into an array and they use a foreach and in_array to create a list of dups, but I wanted to see if there was an easier way.

--

Chris Bruce
[EMAIL PROTECTED]

Idextrus
E-Business Architects
http://www.idextrus.com
3282 Wilmar Cres.
Mississauga, ON
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CA
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On Jan 30, 2004, at 12:54 PM, Raditha Dissanayake wrote:

Hi,

If you are using mysql 4 you can use subselects to delete from where in (select) the select itself can be a multi table join. if you are on mysql 3.xx you can use PHP to mimic a subselect.



Chris Bruce wrote:

Hello everyone,

I am trying to write a function that would compare one table to a number of other tables in Mysql and remove any duplicates found. This is for tables of email addresses where I want to remove any dups found.

Example:
Master list - compare to list1, list2, list3, and so on and remove matches found from list1, list2, list3 etc. *not* from Master list.


Does anyone know of any such beast before I set out to reinvent it?

Thanks.

Chris



-- Raditha Dissanayake.
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