Querying and SQL Functions — Important Questions
CBSE · Class 12 · Informatics Practices
111 important questions from Querying and SQL Functions for CBSE Class 12 Informatics Practices, with answers. Written for the board exams 2027.
Interactive on Super Tutor
Studying Querying and SQL Functions? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for important questions and more.
Free trial, no card needed.
Important Questions from Querying and SQL Functions
Which functions are numeric single row functions in SQL?
Show answer
POWER(), ROUND(), MOD()
POWER(), ROUND(), and MOD() are numeric functions because they take numeric input and return numeric output.
Which function converts a string into uppercase?
Show answer
UCASE()
UCASE() converts a string into uppercase. UPPER() also does the same job.
Which function returns the number of characters in a string?
Show answer
LENGTH()
LENGTH() returns the number of characters in the specified string.
Which date and time function returns the current system date and time?
Show answer
NOW()
NOW() returns the current system date and time.
+107 more questions on Querying and SQL Functions (CBSE Class 12 Informatics Practices)
Practise AllFrequently Asked Questions
What are the important topics in Querying and SQL Functions for CBSE Class 12 Informatics Practices?
How many important questions are there in Querying and SQL Functions?
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Querying and SQL Functions
Practice Quiz
Test yourself with a quick quiz
Revision Notes
Key points for last-minute revision
Formula Sheet
The chapter's formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect
Study Plan
Step-by-step plan for this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Querying and SQL Functions chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for CBSE Class 12 Informatics Practices. Free to start, no card needed.