This book is specially written for students of Computer Engineering (CE) and Information Technology. Also every one with interest in Database Management System can refer this book to get the knowledge about RDBMS. It covers virtually most of core features and some of the advanced features of RDBMS for administrator development including more than hands on examples tested through Oracle 9i. Most of code samples are presented in easy to use through Oracle. Throughout the book most of the features are explained through syntax and examples to develop state-of-the-art Database using advanced concepts like E.R. Modeling, Normalization, Transaction management, Security and other authentication features.