Chapter 9
Database-Driven Websites
Modern database systems make it easy to store, retrieve, and update data on the computer. The data are available where stored and usually also accessible online via computer networks. Databases and websites are often closely connected for two simple reasons:
1. Webpages can easily serve as user-friendly GUIs for databases. The Web can make any database accessible concurrently by many users anywhere on the Internet, 24/7.
2. A website can become much more functional and dynamic if it uses databases to support its operations such as user accounts, shopping carts, invoices, product inventories, calendars, schedules, geographical and map functions, and many other applications.
In fact, the collection of all ...
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