| 1. | Which of the following is not a level of data abstraction? |
| a. | Physical Level |
| b. | Critical Level |
| c. | Logical Level |
| d. | View Level |
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Answer: (b).Critical Level
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| 2. | Which of the following is not an Schema? |
| a. | Database Schema |
| b. | Physical Schema |
| c. | Critical Schema |
| d. | Logical Schema |
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Answer: (c).Critical Schema
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| 3. | Which of the following is a Data Model? |
| a. | Entity-Relationship model |
| b. | Relational data model |
| c. | Object-Based data model |
| d. | All of the above |
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Answer: (d).All of the above
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| 4. | Logical design of database is called |
| a. | Database Instance |
| b. | Database Snapshot |
| c. | Database Schema |
| d. | All of the above |
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Answer: (c).Database Schema
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| 5. | Snapshot of the dta in the database at a given instant of time is called |
| a. | Database Schema |
| b. | Database Instance |
| c. | Database Snapshot |
| d. | All of the above |
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Answer: (b).Database Instance
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| 6. | Which of the following is the structure of the Database? |
| a. | Table |
| b. | Schema |
| c. | Relation |
| d. | None of these |
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Answer: (b).Schema
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| 7. | A logical description of some portion of database that is required by a user to perform task is called as |
| a. | System View |
| b. | User View |
| c. | Logical View |
| d. | Data View |
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Answer: (b).User View
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| 8. | _____________ is a classical approach to database design? |
| a. | Left – Right approach |
| b. | Right – Left approach |
| c. | Top – Down approach |
| d. | Bottom – Up approach |
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Answer: (c).Top – Down approach
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| 9. | Which of the following is the oldest database model? |
| a. | Relational |
| b. | Hierarchical |
| c. | Physical |
| d. | Network |
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Answer: (d).Network
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| 10. | Which of the following indicates the maximum number of entities that can be involved in a relationship? |
| a. | Minimum cardinality |
| b. | Maximum cardinality |
| c. | ERD |
| d. | Greater Entity Count (GEC) |
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Answer: (b).Maximum cardinality
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