If you won't use SQL, then you will be constantly stuck with crap like you are experiencing now.
And I still say you made a mistake joining those tables to create the backup table. Keeping them separate UNTIL you have your new database design complete is bound to pay dividends in the long run.
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.