The graph illustrates the relationships between tables in databases supporting referential integrity (also called primary/foreign key mappings). The graph displays no arcs between tables if the database does no support primary/foreign key mapping or if mappings have not been defined. Most databases support referential integrity.
Why are there no arcs between the tables in the references graph? Print
Modified on: Wed, 12 Jul, 2017 at 3:52 PM
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