Database MCQ’s

1. Table with similar records is
A. Record

B. Field

C. File

D. None

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2. SQL is a
A. Software
B. Structured language
C. Unstructured language
D. Object oriented language
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3. Retrival  and storage of data is
A. Managing output
B. Data manipulation
C. Data capturing
D. All of these
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4. Process of merging relations is …
A. View relations
B. View data models
C. View integration
D. None of these
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5. In  E-R diagram, an oval is for
A. Relationship
B. Entity
C. Attribute
D. Process
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6. Example of one-to-many relationship in E-R diagram
A. Father-son
B. Teacher-student
C. Country-capital
D. Mother-daughter
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A &D

7. We can create an index on
A. Foreign key
B. Secondary key
C. Primary key
D. All of above
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8. The relationship between data objects is …
A. Data table
B. Data flow Diagram
C. Data modelling
D. None of these
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9. We can represent optional relationship by
A. O
B. />
C. </
D. ^
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10. Modality is also related to …
A. Mandatory
B. Cardinality
C. Optional
D. Logical
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B &C

11.  Basic data distribution strategy is …
A. Replicated
B. Centralized
C. Partitioned
D. All of the above
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12. Physically arranging records on secondary storage devices of a file is …
A. File organization
B. Integrity constraints
C. Indexes
D. Data distribution strategy
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