A dependency exist between two columns when

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.
• A functional dependency between two or more non-key attributes is called
• What will be the number of columns of CARTESIAN PRODCUT if the participating relations have 5 and 7 columns respectively?
• A            indicates an absent value that may exist but be unknown or that may not exist at all.
• A functional dependency is a relationship between or among:
• A functional dependency is a relationship between
• Which of the following is based on Multi Valued Dependency?
• Which of the following is based on Multi Valued Dependency?
• Domain constraints, functional dependency and referential integrity are special forms of