Facts101 is your complete guide to Database Systems. In this book, you will learn topics such as Design Theory for Relational Databases, High-Level Database Models, Algebraic and Logical Query Languages, and The Database Language SQL plus much more. With key features such as key terms, people and places, Facts101 gives you all the information you need to prepare for your next exam. Our practice tests are specific to the textbook and we have designed tools to make the most of your limited study time.