Unit-1-Keys-2-Q&A

Unit-1-Keys-2-Q&A

University

10 Qs

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Unit-1-Keys-2-Q&A

Unit-1-Keys-2-Q&A

Assessment

Quiz

Computers

University

Hard

Created by

Ajitha Padmanabhan

Used 5+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

All the keys which are not primary key are called an ___________________.

Unique key

Candidate key

Alternate Key.

Foreign Key

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The Primary key should be selected from the ___________keys.

candidate

foreign

alternate

super

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

________________ is a column that creates a relationship between two tables.

PRIMARY KEY

CANDIDATE KEY

SUPER KEY

FOREIGN KEY

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which Keys maintain data integrity ?

Primary key

Foreign key

Candidate key

None of the above

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Is 'Foreign' a key word to declare foreign key

True

False

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

____________acts as a cross-reference between two tables as it references the primary key of another table

Candidate keys

Foreign keys

Primary Keys

All of the mentioned

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

_________________ is a combination of two or more columns that uniquely identify rows in a table.

Compound Key

Composite Key

Candidate Key

All the mentioned

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