Database Security, is a current steering topic among academicians, researchers and industry. This book is designed to give a broad overview of strategies to secure data efficiently. The modern trends of database security have been dealt from basic principles and terminologies in easily understandable English language so as to enable the reader to understand with minimal effort. Several algorithms are discussed with experimental evaluation which makes the book a practical guide for students who wish to work in the area of database security.This book would serve as an ideal guide for B.E., B.Tech., B.S., B.Sc, B.C.A., undergraduate students of Computer Science, Information Technology, Electronics & Communication who wish to take up projects on database security. Students pursuing postgraduate course in Science and Engineering, M.E., M.Tech., M.S., M.Sc., M.C.A. students will find this book useful for their projects. Research Scholars working in the area of database security will find this book as a handy reference guide for their M.Phil., and Ph.D. works. Software Engineers involved in IT and ITES sector specifically working on databases would find this book as a useful resource