A many-to-many unary relationship in an E-R diagram requires the creation of a total of three tables in a relational database.

Name: A many-to-many unary relationship in an E-R diagram requires the creation of a total of three tables in a relational database.
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A many-to-many unary relationship in an E-R diagram can be represented using a single table in a relational database with a foreign key pointing to the same table. Therefore, only two tables are required in such cases.

A Many-To-Many Unary Relationship in an E-R Diagram Requires the Creation