M.P. Johnson, DBMS, Stern/NYU, Spring 20051 C20.0046: Database Management Systems Lecture #20 M.P. Johnson Stern School of Business, NYU Spring, 2005.
M.P. Johnson, DBMS, Stern/NYU, Spring 20061 C20.0046: Database Management Systems Lecture #16 M.P. Johnson Stern School of Business, NYU Spring, 2008.
C20.0046: Database Management Systems Lecture #20
C20.0046: Database Management Systems Lecture #15
