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  1. Introduction to Data Discovery
  2. Data Discovery with Informatica Analyst
  3. Data Discovery with Informatica Developer
  4. Function Support Based on Profiling Warehouse Connection

Data Discovery Guide

Data Discovery Guide

Discovering Overlapping Data

Discovering Overlapping Data

You can determine overlapping data between pairs of columns in an enterprise discovery profile. The overlap analysis is based on unique values in the columns and does not consider null values.
  1. Create or open an enterprise discovery profile that contains the data objects.
  2. Select the data objects on which you want to find overlap data.
    You can select a single data object to find overlap data within pairs of columns or multiple data objects.
  3. Right-click the objects and select
    Overlap Discovery
    .
    The
    New Overlap Discovery
    dialog box appears.
  4. Enter a name.
  5. Optionally, enter a text description for the overlap analysis.
  6. Verify that the names of the data objects appear under
    Data Objects
    in the wizard.
  7. Optionally, select
    Run Profile on finish
    to run the profile when you complete configuring the settings.
  8. Click
    Next
    .
  9. Select the columns for overlap discovery.
  10. Click
    Next
    .
    The default inference options appear in the dialog box.
  11. Optionally, specify the inference options for overlap discovery to override the default settings.
  12. Click
    Finish
    .

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