Chapter 6. Retrieving Data
Data sources, especially databases, generally contain more data than is needed for a report. After you create a BIRT data source to connect to a database, text file, XML file, or web service, you specify what data to retrieve from that source. This chapter discusses how to create different types of data sets to retrieve data from the different types of data sources.
About data sets
A data set is an object that defines all the data that is available to a report. To create a data set, you must have an existing BIRT data source. As with data sources, BIRT Report Designer provides wizards to create data sets. The first and the only required step in creating a data set is to select the data to retrieve from a data source. ...
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