A directory of Objective Type Questions covering all the Computer Science subjects.

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

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

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

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

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

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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