21 OCTOBER 2021 CURRENT AFFAIRS QUIZ

True

False

A functional dependency between two or more key attributes.

A relation that is in second normal form.

A relation that is in first normal form.

A functional dependency between two or more nonkey attributes.

False

True

data in the form of tables.

unorganized data.

operations using non-SQL languages.

data redundancy.

Three relations are created.

Four relations are created.

One relation is created.

Two relations are created.

The supertype primary key is assigned to each subtype.

There is no link between the supertype/subtype entities.

There is no primary key/foreign key relationship between a supertype/subtype.

The subtype primary key is assigned to each supertype.

Second normal form

First normal form

Third normal form

Fourth normal form

False

True

True

False

Four relations are created.

One relation is created.

Two relations are created.

Three relations are created.