Get step-by-step details to implement Xen virtual server high availability. In this article, the authors walk you through all the steps, from prerequisites and setup to troubleshooting -- everything you need to get started delivering Linux virtual high availability capabilities.

Web Services for DB2 Cube Views provide access to multidimensional data stored in DB2. Find out how these Web services allow a client application to read data from the cubes and perform basic online analysis on multidimensional data and metadata through the Web, using XPath and XML.

The Creative Commons (CC) initiative develops popular licenses for content, including Web content. Some people think using these licenses means giving up all your rights to content, but this is just one of many misconceptions. In this article, learn how to choose and use CC licenses for your Web sites and applications and how to process these licenses in code.

Discover QueryScope, a visualization technology that transforms a complex, multi-page SQL statement into a colorful bubble diagram that shows the key characteristics of the query. The visual cues stand out to signify relative sizes of database tables, table join patterns, and index availability. When many SQL statements are displayed side by side, their commonality and differences become apparent.

In this tutorial, discover mashups, a highly interactive Web development methodology. Essentially a mix of related content put together from different sources, mashups provide rich dynamic content for a superb user experience. Getting Ajax and mashup chops into your development toolbox will benefit you with high demand in the evolving Web 2.0 workspace.