Software Programming : Database Management QUESTIONS AND ANSWERS :: part19 : 11 to 15
Following Software Programming language Entrance Multiple choice objective type questions and answers will help you in Software Programming 2024 examinations :
11.The most important advantages of the hierarchical database model are |
| Conceptual simplicity, security, integrity, diversity, and security |
| Security, efficiency, diversity, simplicity, and integrity |
| Integrity, efficiency, diversity, independence, and simplicity |
| Conceptual simplicity, security, hierarchy |
| Conceptual simplicity, security, independence, integrity, and efficiency. |
12.A super key is any key that uniquely identifies each |
| Entity uniquely |
| Object in a table |
| Table |
| Structure in a table |
| Column uniquely. |
13.The most widely used conceptual model is the ______________. |
| E-R model |
| Chen model |
| External model |
| Attribute model |
| Use-case Model. |
14.The _____model represents a global view of the data. |
| Internal |
| External |
| Physical |
| Conceptual |
| High-level. |
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