GATE CS 2021 : Database Quiz 2 (App update required to attempt this test)

Which of the following statements about normal forms is false?

Find which FD is violated by the Relation R = {} i.e. empty relation

A relation R(A, B) has primary key is A and B is a foreign key refining the same relation R. Which of the following row sequence can be inserted into R?

One to many relationship between X(one side) and Y(many side) entities in an E-R diagram is converted as

Consider the relation R(ABCDEF) with dependecies F:

{A->C, C->D, B->E, E->F}

The number of tables present in its 2NF decomposition are _______.

The minimal set of super keys is called: