As the name indicates, the single source reporting tools refer to tools only support the report based on a single data set, for example, iReport, Birt, and Crystal. However, we often need to use the single source reporting tool to present the data from multiple sources in reporting tool, for example, the data from MySQL and Oracle or MSSQL and Excel. In that case, the multiple source data must be converted to a single source data before use. Then, how to convert? Based on my years of practices and experiences, I’ve figured out five methods of data consolidation for single source reporting tool.
Sub report: Most mainstream reporting tools support the sub report by having the sub report built in the subheading or detail area of a parent report, and allowing sub report to receive the parameters from the parent report.
This method is clear in…
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