in one web shop i worked with, developers who were fanaticslly using constructions "WHERE user LIKE '%$user%' " we've had some really heated debates, but nob

in one web shop i worked with, developers who were fanaticslly using constructions "WHERE user LIKE '%$user%' " we've had some really heated debates, but nobody would listen to me. and then one day DELETE happened where $user was empty. they spent half day restoring the database, but nobody made any conclusions and nothing changed...