SSC CGL Tier-II practice question
The Entity-Relationship (E-R) model for database design was introduced in 1976 by:
From a SSC CGL Tier-II Computer Awareness practice set · Computer Awareness
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Correct answer: (B) Peter Chen
Peter Chen's 1976 paper introduced entities, attributes and relationships as a way to draw a database design. Codd proposed the relational model in 1970.
हिंदी में प्रश्न
डेटाबेस डिज़ाइन के लिए इकाई-संबंध (E-R) मॉडल 1976 में किसने प्रस्तुत किया?
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उत्तर और व्याख्या देखें
सही उत्तर: (B) पीटर चेन (Peter Chen)
पीटर चेन के 1976 के शोध-पत्र ने इकाइयों, गुणों और संबंधों द्वारा डेटाबेस डिज़ाइन बनाने की विधि प्रस्तुत की। कॉड ने रिलेशनल मॉडल 1970 में प्रस्तावित किया था।
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