Documents Select Operation- disk access and Indexing

1. Select Operation- disk access and Indexing *Some info on slides from Dr. S. Son, U. Va 2. Disk accessDBs traditionally stored on diskCheaper to store on disk than in memoryCosts…

Documents Select

1.Query Tree Question Should we do a pname, pnumberthen pname = ‘Aquarius’then pnumber? No, since the operations are done together the processor would read a…