A functional dependency between two or more non-key attributes is called

Related MCQs

• If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.
• If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.
• 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 functional dependency is a relationship between or among:
• A functional dependency is a relationship between
• A relation is said to be in 3 NF if (i) it is in 2 NF (ii) non-key attributes are independent of one another (iii) key attribute is not dependent on part of a composite key (iv) has no multi-valued dependency
• Domain constraints, functional dependency and referential integrity are special forms of                    
• Which forms are based on the concept of functional dependency