Computer Science · Database Management Systems
पारंपरिक रिलेशनल अलजेब्रा में निम्नलिखित में से कौन सा ऑपरेशन रिलेशंस पर क्लोज्ड (closed) नहीं है, जिसके लिए बुनियादी औपचारिकता के विस्तार की आवश्यकता होती है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Aggregation and Grouping (एग्रीगेशन और ग्रुपिंग)✓
- 2Natural Join (प्राकृतिक जॉइन)
- 3Projection (प्रक्षेपण)
- 4Selection (चयन)
सही उत्तर देखें
Aggregation and Grouping (एग्रीगेशन और ग्रुपिंग)
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