I am wondering if it is possible to remove duplicate text using a mysql query from one field, or if a problem like this would be better solved using PHP.
I have a databa
+1 redesign, but if redesign is not an option now...
How many distinct tags are there? You might be able to do this using CASE and substring functions.
http://dev.mysql.com/doc/refman/5.0/en/case-statement.html