Data Access and Transactions

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To be useful, data must be accurate and accessible, and it must conform to the needs of users. Users should be able to respond to, and act upon, the information presented to them. The tool that makes this flexibility possible is the database, an essential element in todays Web applications.

The previous section introduced the n -tier application model, and described how to use a combination of client-side scripts and components with Active Server Pages (ASP) to create dynamic Web-based applications. This section builds on those concepts, beginning with a conceptual overview of Web database technologies, followed by technical discussions of how to harness the power of a data-driven approach for content publishing and information management on the Web.

In this section: