Creating relationshipsAfter you have created a relationship, you can add or change match fields, change relational operators, and set options for creating, deleting, and sorting related records. See Changing relationships.
1. Open the relationships graph for the database.Note For self-joining relationships, click a match field in the current table and drag outside of it, then back onto the second match field within the current table. Rename the new table occurrence, or click OK to accept the default name.
5. Click OK.