An ________ is a set of entities of the same type that share the same properties, or attributes.

Related MCQs

• An                  is a set of entities of the same type that share the same properties, or attributes.
• There are similarities between the instructor entity set and the secretary entity set in the sense that they have several attributes that are conceptually the same across the two entity sets: namely, the identifier, name, and salary attributes. This process is called
• When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
• When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
• A                    integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
• A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
• A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
• There are two functional dependencies with the same set of attributes on the left side of the arrow: A->BC A->B This can be combined as
•                            express the number of entities to which another entity can be associated via a relationship set.
• The number of entities to which another entity can be associated via a relationship set is expressed as: