Querying and SQL Functions — Flashcards
CBSE · Class 12 · Informatics Practices
84 flashcards for Querying and SQL Functions (CBSE Class 12 Informatics Practices) to test yourself on key terms and facts.
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SQL फ़ंक्शनों को किस आधार पर वर्गीकृत किया जाता है, कि वे कितनी पंक्तियों पर कार्य करते हैं?
Answer
SQL फ़ंक्शंस को सिंगल रो फ़ंक्शंस और एग्रीगेट फ़ंक्शंस में वर्गीकृत किया गया है। सिंगल रो फ़ंक्शंस एक बार में एक पंक्ति पर कार्य करते हैं और प्रति पंक्ति एक मान लौटाते हैं। एग्रीगेट फ़ंक्शंस पंक्तियों…
What are SQL functions classified into, based on how many rows they act on?
Answer
SQL functions are classified into Single row functions and Aggregate functions. Single row functions act on one row at a time and return one value per row. Aggregate functions act on a set of rows and…
What is another name for Single row functions?
Answer
Single row functions are also known as Scalar functions. They can be used in the SELECT, WHERE, and ORDER BY clauses.
एकल पंक्ति वाले कार्यों का दूसरा नाम क्या है?
Answer
एकल पंक्ति वाले फलन को अदिश फलन भी कहा जाता है। इनका उपयोग SELECT, WHERE, and ORDER BY clauses. में किया जा सकता है।…
SQL में गणित के फलन क्या करते हैं? उदाहरण दीजिए।
Answer
गणित के फलन संख्यात्मक इनपुट लेते हैं और संख्यात्मक आउटपुट देते हैं। उदाहरण हैं POWER(X,Y), ROUND(N,D), और MOD(A,B)। उदाहरण के लिए, POWER(2,3) का मान 8 है, ROUND(2912.564,1) का मान 2912.6 है, और MOD(2…
What do math functions in SQL do? Give examples.
Answer
Math functions take numeric input and return numeric output. Examples are POWER(X,Y), ROUND(N,D), and MOD(A,B). For example, POWER(2,3) gives 8, ROUND(2912.564,1) gives 2912.6, and MOD(21,2) gives 1.
What does POWER(X,Y) do, and how is it related to POW(X,Y)?
Answer
POWER(X,Y) calculates X to the power Y. POW(X,Y) is the same function and can also be written as POW(X,Y). Here, X is the base and Y is the exponent.
POWER(X,Y) क्या करता है, और यह POW(X,Y) से कैसे संबंधित है?
Answer
POWER(X,Y), X की घात Y की गणना करता है। POW(X,Y) वही फलन है और इसे POW(X,Y) के रूप में भी लिखा जा सकता है। यहाँ X आधार है और Y घातांक है।…
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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
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