Duplicating tables in the relationships graphYou can duplicate tables, groups of tables, and any direct relationships among them. Any options you have set for the relationship (for example, a cascading delete) are also duplicated.
1. Open the relationships graph for the database.
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4. To rename a duplicated table, click and type the new name of the duplicated table in the Specify Table dialog box.
• Duplication preserves the relative positions between the original tables. By default the duplicated tables are placed below and to the right of the original tables.