Chapter 2

Databases

We will start our review of how spatial data are stored and processed by considering the database technology which is used to store large volumes of data by almost all companies and businesses around the world and see whether this can be used. Many people reading this book may well use databases in their daily work and be very familiar with them. However, many more, and the great majority of the public, will know very little about databases and yet almost everybody will have used a database to access information without ever being aware of the fact. If you have ever used a computer system to book a ticket, look up timetable information, book a holiday, hire a car or purchase anything online, then the system you used to search ...

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