Articles, Tutorials, links, and free Oracle training.

Magazine for planners and builders of data applications. Development tools, database server strategies, and middleware.

Selection of Oracle books for beginning and advanced application developers, database administrators, and users.

O'Reilly resource center for Oracle.

On-line version of Oracle Magazine.

Oracle information portal.

Describes a database, and its fields and records. Illustrates the layout of an Oracle database table. Explains how primary keys keep the records unique. Explains the concepts of a relational database and a foreign key. Describes the common use of lookup tables.