Fundamentals of Database Systems by Ramez Elmasri and Shamkant B. Navathe(free pdf)

This book introduces the fundamental concepts necessary for designing, using, and implementing database systems and applications. Our presentation stresses the fundamentals of database modeling and design, the languages and facilities provided by database management systems, and system implementation techniques. The book is meant to be used as a textbook for a one- or two-semester course in database systems at the junior, senior, or graduate level, and as a reference book. We assume that readers are familiar with elementary programming and data-structuring concepts and that they have had some exposure to basic computer organization.

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An introduction to formal languages and automata

An Introduction to Formal Languages and Automata provides an excellent presentation of the material that is essential to an introductory theory of computation course. The text was designed to familiarize students with the foundations and principles of computer science and to strengthen the students' ability to carry out formal and rigorous mathematical argument. Employing a problem-solving approach, the text provides students insight into the course material by stressing intuitive motivation and illustration of ideas through straightforward explanations and solid mathematical proofs. By emphasizing a learning through problem solving, students learn the material primarily through problem-type illustrative examples that show the motivation behind the concepts, as well as their connection to the theorems and definitions

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GOOGLE GRAVITY

1. 1. Google gravity:- We all have read the Newton’s law of gravity.Does it also apply to google?To test it follow the instructions

• Go to google.com
• Type Google Gravity
• Click on I’m feeling Lucky

Now you will see the effect of gravity on google.The google icon will fall down automatically.You can even pickup and throw google icon anyware.

Google maps trick

Try this-->

1. Go to Google Maps.


2. Go to "Get Directions"....


3. Type Taiwan as the start location.


4. Type China as the end location.......


5. Read STEP no 23 of the directions. :)