Oracle 11g Database

http://dba.fyicenter.com/Oracle_11_Developers_Guide/

An easy to follow tutorial guide for database developers to learn
basics on using Oracle 11g database server. It covers 7 main areas: 1
Overview of Oracle Database and Development; 2 Querying and
Manipulating Data; 3 Creating and Using Database Objects; 4 Developing
and Using Stored Procedures; 6 Working in a Global Environment; 7
Deploying a Database Application.