How To Populate the records In A MySQL Table With uniqueid()?

	  		Hello, I'm a newbye here and about PHP; be patient please :-)

I have a mySQL table with 15000 rows; I need to populate a field of it (varchar(15)) - to be used in a way similar to a primary key - with the uniqid() PHP function.

The algorithm is:

1 - positioning to the first row (record);
2 - generating a value with the uniqid() function;
3 - updating with it an empty field of that record;

All of those three steps till to the end of of the table (all of the records).

What is the PHP code to do all of that please?

Thank you.


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