Computer Science · Database Management Systems
एक एंटिटी-रिलेशनशिप (ER) मॉडल में, निम्नलिखित में से कौन सा विकल्प एक बहु-मूल्यवान विशेषता (multi-valued attribute) को दर्शाता है?
- 1लिंग (Gender)
- 2आधार संख्या (Aadhaar Number)
- 3ईमेल आईडी (Email ID)✓
- 4आयु (Age)
सही उत्तर देखें
ईमेल आईडी (Email ID)
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