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# Using TopLink Workbench

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To specify the variable one-to-one mapping with a primary key, use this procedure:

1. Select the variable one-to-one mapping in the Navigator. Its attributes appear in the Editor.

2. Click the Class Indicator Info tab. The Class Indicator Info tab appears.

Use the Class Indicator Field to select none.

Use the Indicator Type to select none.

Use the Indicator Value column to specify none.

After choosing the reference descriptor for the mapping, deselect the Include check boxes.

Note: You cannot deselect the value in the Class Indicator Field, unless the foreign key values in the source table are unique.

See Also

  Configuring Unique Primary Key