Computer Science · Database Management Systems
किसी विशिष्ट कॉलम में मौजूद गैर-NULL (non-NULL) मानों की कुल संख्या की गणना करने के लिए किस SQL एग्रीगेट फ़ंक्शन का उपयोग किया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1MAX()
- 2COUNT()✓
- 3AVG()
- 4SUM()
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COUNT()
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