1. | Which of the following is not a level of data abstraction? |
Answer: (b).Critical Level
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2. | Which of the following is not an Schema? |
Answer: (c).Critical Schema
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3. | Which of the following is a Data Model? |
Answer: (d).All of the above
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4. | Logical design of database is called |
Answer: (c).Database Schema
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5. | Snapshot of the dta in the database at a given instant of time is called |
Answer: (b).Database Instance
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6. | Which of the following is the structure of the Database? |
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 |
Answer: (b).User View
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8. | _____________ is a classical approach to database design? |
Answer: (c).Top – Down approach
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9. | Which of the following is the oldest database model? |
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? |
Answer: (b).Maximum cardinality
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