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Syncsort has provided a set of use case accelerators (UCAs) to help users understand how to implement DMX-h ETL solutions in a Hadoop MapReduce framework.
The File Lookup Aggregation use case accelerator demonstrates how to perform a lookup followed by an aggregation. Using TPC-H data, it performs a lookup in a TPC-H supplier data file based on the Supplier Key and retrieves the Supplier Account Balance; this value is then totaled for each supplier.
The following attachments are available for understanding and running this UCA:
See the Guide to DMX-h ETL Use Case Accelerators for an overview of how the set of use case accelerators are organized and how to run them.
For general guidance on developing and running DMX-h ETL solutions, see Developing DMX-h ETL Jobs and Running DMX-h ETL Jobs in the DMExpress Help.
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