Search what *PART* of a DB table?
One of the fields in the table? Four of the fields in the table?
You surely would *NEVER* search *ALL* the fields for a single value. Some of the fields are surely numbers, possibly even numbers that would mean nothing to a human being. Or they might be date or times.
You need to be a lot more specific.
An optimist sees the glass as half full.
A pessimist sees the glass as half empty.
A realist drinks it no matter how much there is.