Question:
Which two constraints when applied together will produce a primary key constraint ?
(A) NOT NULL
(B) UNIQUE
(C) DEFAULT
(D) ZERO
Choose the correct answer from the options given below:
Which two constraints when applied together will produce a primary key constraint ?
(A) NOT NULL
(B) UNIQUE
(C) DEFAULT
(D) ZERO
Choose the correct answer from the options given below:
(A) NOT NULL
(B) UNIQUE
(C) DEFAULT
(D) ZERO
Choose the correct answer from the options given below:
Updated On: Apr 19, 2024
- (B) only
- (B) and (D) only
- (A), (B) and (C) only
- (A) and (B) only
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
The correct option is(D): (A) and (B) only
Was this answer helpful?
0
0
Top Questions on Integrity constraints
- Match LIST I with LIST IIChoose the correct answer from the options given below
LIST I
LIST II A Constraint I Clause B DDL II Operator C Where III Alter table D Like IV Default - CUET (UG) - 2023
- Computer Science
- Integrity constraints
- Which two constraints when applied together will produce a primary key constraint?
- CUET (UG) - 2023
- Database Management Systems
- Integrity constraints
- Which statement is used to add a constraint in existing attribute of a relation?
- CUET (UG) - 2023
- Database Management Systems
- Integrity constraints
- Consider the following statements S1 and S2 about the relational data model:
S1: A relation scheme can have at most one foreign key.
S2: A foreign key in a relation scheme $R$ cannot be used to refer to tuples of $R$.
Which one of the following choices is correct?- GATE CS - 2021
- Database Management Systems
- Integrity constraints
Questions Asked in CUET exam
- Find the ratio of de-Broglie wavelengths of deuteron having energy E and \(\alpha\)-particle having energy 2E :
- CUET (UG) - 2026
- Dual nature of radiation and matter
- The de-Broglie wavelength associated with a ball of mass 150 g traveling at 30.0 m/s would be
- CUET (UG) - 2025
- de broglie hypothesis
- A clock shows the time as 3:15. What is the angle between the hour and minute hands?
- CUET (UG) - 2025
- Clock and Calendar
- If 36: 84 :: 42: X, then the value of X, is:
- CUET (UG) - 2025
- Ratio and Proportion
- The angles of elevation of the top of a tower from two points at a distance of 5 meters and 20 meters along the same straight line from the base of the tower, are complementary. Find the height of the tower.
- CUET (UG) - 2025
- Trigonometry
View More Questions