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Database operation using metadata of data sources

  • US 10,579,627 B2
  • Filed: 01/08/2016
  • Issued: 03/03/2020
  • Est. Priority Date: 01/08/2016
  • Status: Active Grant
First Claim
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1. A system comprising:

  • computer-readable media having thereon a plurality of modules; and

    at least one processing unit operably coupled with the computer-readable media, configured to access data from one or more data sources, and adapted to execute one or more modules of the plurality of modules comprising;

    at least one module of a construction engine configured to;

    determine a dataflow corresponding to a job specification associated with one or more data sources;

    determine a data manipulation to operate on the job specification based on the dataflow;

    determine a data-processing instruction to perform functions of the data manipulation based on the data manipulation and at least some metadata of the one or more data sources; and

    determine a query by assembling the data-processing instruction based at least in part on the job specification;

    at least one module of an execution engine configured to;

    execute the query by accessing the data from at least one of the one or more data sources to provide query results; and

    at least one module of an ingestion engine configured to;

    retrieve a data record;

    determine metadata corresponding to the data record by extracting attribute values or relationships from the data, the metadata including a data-source identifier indicating at least one of the one or more data sources; and

    store the metadata in a metadata repository in association with the data-source identifier.

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