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08-18-2009, 09:43 PM #1
Find all duplicates in a mysql field
If you are ever in need of finding duplicates in a mysql field but dont want to open phpmyadmin you can simply do this.
mysql_connect("localhost", "username", "password") or die(mysql_error());
mysql_select_db("dbname") or die(mysql_error());
$result = mysql_query("select field, count(field) as cnt
group by field
having cnt > 1
order by cnt; ")
while($row = mysql_fetch_array( $result ))
Of course change table and field in the snippet to your own.