Nåt sånt här kanske
Query=request.form("strQuery")
SQL = "SELECT a.*,b.* FROM tabell1 a,tabell2 b WHERE a.kolumn1 like"&_
" '%" & Query & "%' or a.kolumn2 like '%" & Query & "%'"&_
" b.kolumn1 like '%" & Query & "%' or b.kolumn2 like '%" & Query & "%'"

