dbr.delete
dbr.baseqname
dbr.commit
dbr.rec
dbr.relativeqname
dbr.num
dbr.table
dbr.open
dbr.scalar
dbr.close
dbr.execute
dbr.in_transaction
dbr.fullqname
dbr.rollback
dbr.is_open
dbr.sql
dbr.update
dbr.reconnect
dbr.str
dbr.insert
dbr.begin