Question # 1

Which of the following data model is more flexible

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Network data model

Hierarchical data model

Relational data model

Object data model

In a school record of cricket and hockey team organized into two groups is referred as

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Classifying

Summarizing

Sorting

Searching

A series of actions that are performed on raw data achieve the required objective and results are called

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Operation

Data processing

Processes

Both A and B

A collection of raw facts and figures is called

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Data

Information

Database

Data capturing

Which of the following may be a temporary file

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Master file

Transaction file

Backup file

None of these

The manipulated and processed data is called

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Raw data

Information

Object

None of these

A set of related record that represent a unit of data is called

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File

Record

Field

Database

A set of related fields that represent a unit of data is called

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File

Record

Field

Database

SQL is a (n)

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Unstructured language

Structured language

Object oriented language

Software

_______ represents an object

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Person

Organization

An event

All of these

A set of related characters that represent unit of data is called

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File

Record

Field

Database

Which of the following type of file regulres largest processing time

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Sequential file

Random file

Indexed sequential file

Direct access file

Which of the following represent a collection of concepts that are used to describe the structure of a database

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Data warehouse

Data structure

Data model

Data type

Which of the following is not related to data manipulation

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Summarizing

Data capturing

Classifying

Calculations

In ________ activity data is collected and recored

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Data capturing

Data manipulating

Managing result

None of these

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ECAT Computer Science Chapter 14 Data Bases Online Test MCQs With Answers

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