Database MCQ’s

Database MCQ’s

1. Table with similar records is

A. Record

B. Field

C. File

D. None

2. SQL is a

A. Software

B. Structured language

C. Unstructured language

D. Object oriented language

3. Retrival  and storage of data is

A. Managing output

B. Data manipulation

C. Data capturing

D. All of these

4. Process of merging relations is …

A. View relations

B. View data models

C. View integration

D. None of these

5. In  E-R diagram, an oval is for

A. Relationship

B. Entity

C. Attribute

D. Process

6. Example of one-to-many relationship in E-R diagram

A. Father-son

B. Teacher-student

C. Country-capital

D. Mother-daughter

7. We can create an index on

A. Foreign key

B. Secondary key

C. Primary key

D. All of above

8. The relationship between data objects is …

A. Data table

B. Data flow Diagram

C. Data modelling

D. None of these

9. We can represent optional relationship by

A. O

B. />

C. </

D. ^

10. Modality is also related to …

A. Mandatory

B. Cardinality

C. Optional

D. Logical

11.  Basic data distribution strategy is …

A. Replicated

B. Centralized

C. Partitioned

D. All of the above

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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