'Primary key versus unique' presentation slideshows

Database Systems

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Database Management Systems Chapter 6 The Database Language SQL (II)

Database Management Systems Chapter 6 The Database Language SQL (II). Instructor: Li Ma Department of Computer Science Texas Southern University, Houston. October, 2006. More SQL. Database Modification Defining a Database Schema Views. Database Modifications.

660 views • 43 slides

More SQL

More SQL. Database Modification Defining a Database Schema Views. Database Modifications. A modification command does not return a result (as a query does), but changes the database in some way. Three kinds of modifications: Insert a tuple or tuples. Delete a tuple or tuples.

533 views • 42 slides

CSET 3300 Spring 2010

SQL: Database Creation & Modification. CSET 3300 Spring 2010. Database Modifications. A modification command does not return a result as a query does, but it changes the database in some way. There are three kinds of modifications: Insert a tuple or tuples .

437 views • 32 slides

Databases : SQL-Schema Definition and View

Databases : SQL-Schema Definition and View. 2007, Fall Pusan National University Ki-Joune Li. These slides are made from the materials that Prof. Jeffrey D. Ullman distributes via his course web page ( http://infolab.stanford.edu/~ullman/dscb/gslides.html ). Defining a Database Schema.

334 views • 16 slides