'Johnson stern school' diaporamas de présentation

C20.0046: Database Management Systems Lecture #5

581 views • 39 slides

C20.0046: Database Management Systems Lecture #4

C20.0046: Database Management Systems Lecture #4. M.P. Johnson Stern School of Business, NYU Spring, 2008. Agenda. Last time: relational model This time: Functional dependencies Keys and superkeys in terms of FDs Finding keys for relations Extended E/R example Rules for combining FDs

484 views • 36 slides

C20.0046: Database Management Systems Lecture #18

C20.0046: Database Management Systems Lecture #18. Matthew P. Johnson Stern School of Business, NYU Spring, 2004. Agenda. Previously: Pro*C Next: Project part 3 is due next week More programming for SQL Embedded SQL Pro*C, SQLJ PSMs CLI SQL/CLI in C JDBC in Java DBI/DBDs in Perl

339 views • 19 slides