Dbms relational db

A table is called as _______ in dbms

• Relation

• Tuple

• Attribute

• Domain

Each table has a column headers called as ________

• Domain

• Attributes

• Tuple

• None

Tuple is representing the ______

• Rows

• Columns

• Domain

• None

If the elements of the domain are considered to be indivisible units then the domain is said to be _______

• Atomic

• Null

• Db schema

• Relation schema

State true or false:

Key is a property of entire relation.

• True

• False

Minimal super keys are called _________

• Primary key

• Foreign key

• Candidate key

• None

Primary key attributes does not contain _______ values

• Null

• Unique

• Reference

• None

In database schema diagram, each relation appears as a box and relation name is at the top and it's represented in _______ colour

• Red

• Blue

• Green

• Orange

________ key attribute contains unique values..

• Primary key

• Foreign key

• Super key

• Candidate key

In a schema diagram, the link with arrow mark representing _______

• Primary key specification

• Foreign key specification

• List of attributes

• None