Finding relationships between sources and targets

You can find relationships between source and target schemas by using the discover function in the mapping editor.
Before you begin
Prerequisite:

The Mapping editor must be open and contain source and target schemas.

About this task

To find relationships:

  1. Right-click in the mapping editor. You can run the discover function from any pane if a source or a target is selected. The scope of the discover function depends on the pane that currently has focus.
  2. Click Discover Relationships and select one of the following menu options:
    Menu option Description
    Find Best Fit Find the most satisfactory match that exists among all of the elements in the model. This method finds at most one match for one target and one source that you select. You can run the discover function from this choice.
    Find Similar Find the top five matches for each selected element in the target. You can run the discover function from this choice.
    Enterprise Naming Standard Specify one or more naming standards that you want to associate with schemas.
    Advanced Configuration This option is for advanced users. You can use the discover function with no further configuration. Use this option if you want to use more than the default configurations. You can specify which algorithm to use, configure the data sampling, and some other advanced options.
  3. Optional: On the Specify Scope to Discover Relationships page, select the scope of the discover function.
    1. In the Source field, specify the database, schemas, tables, or columns from the data source to include or exclude in the attempt to find relationships.
    2. In the Target field, specify the database, schemas, tables, or columns from the data target to include or exclude in the attempt to find relationships.
    3. Select the Do not show this window again while looking for relationships check box to exclude the Specify Scope to Discover Relationships window. If you select the check box, the scoping is defined automatically.
    4. Click Finish to find relationships between the source and the target elements.
Results

The results are represented as discovered mappings inside the mapping editor in the center pane. They are also visible in the outline view.


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