When would you use a composite primary key? Group of answer choices A many-to-many relationship A unary relationship A ternary relationship Multi-field attributes

Respuesta :

Answer:

A many-to-many relationship

Explanation:

  • A composite primary key is one that is used to show the more than one column
  • And to uniquely identify each row in a column and are typically seen as an associate entity table and a weak entity tables.  
  • The (Record No, First Name) are some of the examples.