Fixing my brain farts :-( <snip> > Run your "current status" queries against the "current" table while if you > want in-depth history of a particular flight, use the "history" table. > This will increase your responsiveness considerably as there should be > only 1 record per active flight in that table.
I meant to say one record per flight in the Curent table. > > There are several ways to approach this: > > a) INSERT everything into the history table then on a periodic basis, > regenerate the Current table. > b) INSERT records into both tables and DELETE the old one from the history > table. Again, I meant to delete the old records from the Current table, not the history table. My apologies to the list! Shawn Green Database Administrator Unimin Corporation - Spruce Pine