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Working with Data Models › Working with Transformations › Using a Transformation to Roll Up a Subtype Relationship › Roll Up a Subtype Relationship with a Transformation

Roll Up a Subtype Relationship with a Transformation

You can roll up a subtype relationship with a transformation.

To roll up a subtype relationship with a transformation

  1. Select the subtype relationship symbol Sub-category button on ERwin Toolbox.

    The Supertype-Subtype RollUp icon becomes active on the Transformations toolbar.

  2. Click the Supertype-Subtype RollUp Supertype Subtype Rollup transformation icon icon.

    The wizard opens.

  3. Follow the instructions in the Supertype Subtype Roll-Up wizard.

    A supertype entity that contains all primary-key and non-key attributes from the source supertype and subtype entities is created.

More information:

Using a Transformation to Roll Up a Subtype Relationship