Chapter 3. Databases

The need for databases is increasing as programmers, clients, and users in general demand more and more from Web sites. Most of the really interesting things you'll want to do online will involve a database, even if it is just a flat-file database like the one used in the online sports pool application in Chapter 1. Databases range from the free or inexpensive mSQL, MySQL, and PostgreSQL to the very costly Oracle, although these applications may not be as different in terms of capability, performance, and durability as they are in price. Normally, the decision as to what database application you use is not made by the programmer but rather by the budget, the Web hosting company, the operating system, or the client. Fortunately, ...

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