Summary
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It’s a fact: Building a report requires data, and the Database Expert is the heart of the action for Crystal connectivity. The access strategies used to connect to the data, while hidden behind the simple dialog interface of the Database Expert, go a long way to making Crystal Reports a universal database-reporting tool.
Your options for connecting to data using Crystal Reports are wide and varied. At one end is the very easy-to-use Crystal Dictionaries and local PC databases. In the middle of the complexity spectrum are ODBC access and OLE DB. At the high end of the range, you can use OLAP cubes and servers for data sources as well as programmatically access a variety of data sources.
In choosing a connectivity path, we showed that you can connect to the same data source using a variety of connection types. There are advantages and disadvantages to using each, and your decision will be based on your computing environment and growth needs.
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EAN: 2147483647
Pages: 217