1. Position the cursor on the line in which you want to insert the substructure. Choose Extras ® Substructures ® Insert substructure.

A dialog box appears in which you must enter the name and (optionally) a three-place suffix for the substructure to be inserted. The suffix can be used to avoid name collisions between fields in the substructure and fields already in the table. The selected suffix XYZ is appended to all the fields of the substructure, whereby the field name will first be truncated if necessary.

2. Select column Key if all the included fields should be key fields of the table. Otherwise none of the included fields will be a key field.
3. Save your entries and activate the table.

You can display the fields contained in an included substructure by positioning the cursor on the corresponding line and choosing Extras ® Substructures ® Explode substructure. The fields of the substructure appear directly below the line containing the substructure. Choose Extras ® Substructures ® Retrieve substruct. to cancel this action.

You can explode all the substructures in a table with Extras ® Substructures ® Explode all substr. Cancel this action with Extras ® Substructures ® Retrieve all substr.

Choose Extras ® Substructures ® Insert substr. fields to copy the fields contained in the substructure directly into the table. The fields of the substructure will become table fields and will no longer be adjusted to changes to the field definitions in the substructure.