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Practical Web Technologies by V. Lau, P. K. Yuen

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17.1. An introduction to SQL databases

17.1.1. What is an SQL database?

Over the last decade, computing technologies have made permanent changes in the way business is conducted in offices around the world. Whether you are running a large corporation or just the owner of a small business, orders placed by customers in foreign countries can now be instantly processed by a few mouse clicks on the Internet. By traveling at a speed well beyond 6,000 miles (9,600 km) per second with a good connection, emails and millions of Web sites on the Internet are now an integral part of the so-called global economy.

Also, thanks to relational database management systems (RDBMS) and the Structured Query Language (SQL), database systems have become indispensable ...

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