Mass mySQL update...

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So I populated a mySQL database but forgot to create random ids for each
record.

I have used phpmyadmin to add a varchar(15) column named "id" at the end
of the database for each record, but now am wondering if there is an easy
way to get random ID's into each of these...

The column values for many of the entries are not unique, so I couldnt
just loop through saying where term = $row[term] set id= rand(1, 99999)

any other ideas? Any way to refer to a particular row without matching
values?

Russ

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