Not all data flows are rigid and predictable. There will, inevitably, be cases where you also want to shape the data ingestion process depending on aspects of the source data. This can mean parameterizing your queries to allow user interaction or adjusting the data flow dynamically. Adding parameters to queries enables you to define and apply specific criteria to certain aspects of query processing.
All the files used in examples in this chapter are available for download from the Apress website as described in Appendix A.
As parameters are entirely managed inside the ...
