Explore topic-wise MCQs in Structured Query Language (SQL).

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Structured Query Language (SQL) knowledge and support exam preparation. Choose a topic below to get started.

1.

WHICH_OF_THE_FOLLOWING_FUNCTIONS_ARE_SIMILAR_??$

A. RANK and NTILE
B. RANK and DENSE_RANK
C. DENSE_RANK and NTILE
D. None of the mentioned
Answer» C. DENSE_RANK and NTILE
Discussion
2.

Which of the following function is used when you want all tied rows to have the same ranking ?$

A. RANK
B. NTILE
C. ROW_NUMBER
D. None of the mentioned
Answer» B. NTILE
Discussion
3.

Which of the following error message will be displayed if ORDER CLAUSE is not mentioned in ROW NUMBER function ?

A. “The ranking function “ROW_NUMBER” must have an ORDER BY clause.”
B. “The ranking function “ROW_NUMBER” must have an OVER BY clause.”
C. “The ranking function “ROW_NUMBER” must have an PARTITION BY clause.”
D. All of the mentioned
Answer» B. ‚Äö√Ñ√∂‚àö√ë‚àö‚à´The ranking function ‚Äö√Ñ√∂‚àö√ë‚àö‚à´ROW_NUMBER‚Äö√Ñ√∂‚àö√ë‚àöœÄ must have an OVER BY clause.‚Äö√Ñ√∂‚àö√ë‚àöœÄ
Discussion
4.

Which of the following will not raise error if not used ?

A. OVER clause
B. ORDER BY clause
C. PARTITION BY clause
D. All of the mentioned
Answer» D. All of the mentioned
Discussion
5.

Which of the the function provides consecutive numbering except in the case of a tie ?

A. RANK
B. NTILE
C. ROW_NUMBER
D. None of the mentioned
Answer» B. NTILE
Discussion
6.

Which of the clause is not mandatory ?

A. OVER clause
B. ORDER BY clause
C. PARTITION BY clause
D. All of the mentioned
Answer» D. All of the mentioned
Discussion
7.

Which of the following is the simplest ranking function ?

A. RANK
B. NTILE
C. ROW_NUMBER
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
8.

Which of the following is not a ranking function ?

A. RANK
B. NTILE
C. ROW_NUMBER
D. All of the mentioned
Answer» E.
Discussion