forgive my newbie question, but why finding by '２' or '2' in Mysql returns the same record? For example: Say I have a record with string field named 'slug', and the value is '２'. And the followi...

I am creating a very simple file search, where the search database is a text file with one file name per line. The database is built with PHP, and matches are found by grepping the file (also with ...