Querying and SQL Functions
CBSE · Class 12 · Informatics Practices
Most important questions from Querying and SQL Functions for CBSE Class 12 Informatics Practices board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
Which functions are numeric single row functions in SQL?
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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?
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UCASE()
UCASE() converts a string into uppercase. UPPER() also does the same job.
Which function returns the number of characters in a string?
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LENGTH()
LENGTH() returns the number of characters in the specified string.
Which date and time function returns the current system date and time?
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NOW()
NOW() returns the current system date and time.
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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.
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