The Data Tier
Every organization has data in a wide variety of sources: databases, applications, XML files, Excel spreadsheets, EJBs, and so on. Crystal Enterprise provides unparalleled access to data in a wide variety of formats. Although data access was covered in Chapter 1, “Creating and Designing Basic Reports,” several architectural concepts around this topic merit our attention. First, Crystal Enterprise 10 includes Crystal Business Views, which provide a level of abstraction above data sources, greatly simplifying report writing and data security. Second, you will explore some of the most common sources of data.
Crystal Business Views
Rather than connect directly to data sources, an organization can use Crystal Business Views to simplify ...
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