The objective of this book is to address the advanced and emerging topics of modern database systems starting from the inception. This book is developed as a text book for the compulsory subject Database System / Database Management System / Advanced Database System of B. Tech/B.E, M.C.A and other courses of Computer Science and Engineering, Software Engineering and Information Technology. In this book, total 17 chapters have been included, namely, Introduction to Database Management System, Fundamentals of Database Management System, Conceptual Data Modeling, The Relational Data Model, Normalization, Relational Query Languages, Transaction Management & Concurrency Control, Database Recovery and Security, Query Processing, Parallel Database System, Distributed Database System - Concepts & Design, Object-Oriented Databases, Spatial Database System, Temporal and Statistical Database Systems, Data Warehousing, Data Mining, and Cloud Computing. Recent AICTE approved syllabus of B.Tech/B.E and MCA has been consulted for preparation of the content of the book. This book is intended for those who are professionally interested in advanced database concepts including students and teachers of computer science, software engineering and information technology, researchers, application developers, and analysts.