Slide 1Database System Concepts 5 th Ed. ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-usewww.db-book.com Chapter 14: Query Optimization Slide…

Slide 1Distributed Query Processing Slide 2 Agenda Recap of query optimization Transformation rules for P&D systems Memoization Queries in heterogeneous systems Query…

Slide 1 1 Announcement Recitation time  Before midterm: 6-7pm, by Earl Wagner  After midterm: 5-6pm, by Yi Qiao Newsgroup safe to subscribe  Will not cause you to…

Slide 1 THE NETWORK DATA MODEL SECTION 8 An early DBMS Slide 2 Background Networks are a natural way of representing relationships among objects The network data model represents…

THE NETWORK DATA MODEL SECTION 8 An early DBMS Background Networks are a natural way of representing relationships among objects The network data model represents data in…

C20.0046: Database Management Systems Lecture #3 Matthew P. Johnson Stern School of Business, NYU Spring, 2005 M.P. Johnson, DBMS, Stern/NYU, Spring 2005 Admin Textbooks?…