Q3. Relational Model

• The (a)   uses a collection of tables to represent both data and the relationships among those data.

Tables are also known as (a)   .

(a)   are the properties that define an entity.

A (a)   defines the structure of the relation and represents the name of the relation with its attributes.

Each row in the relation is known as a (a)   .

The set of tuples of a relation at a particular instance of time is called a (a)   .

The number of attributes in the relation is known as the (a)   of the relation.

The number of tuples in a relation is known as (a)   .

The value which is not known or unavailable is called a (a)   value.

(a)   is the command to show all rows in a table.