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…

Documents Select Operation- disk access and Indexing *Some info on slides from Dr. S. Son, U. Va

Select Operation- disk access and Indexing *Some info on slides from Dr. S. Son, U. Va Disk access DBs traditionally stored on disk Cheaper to store on disk than in memory…