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Category: Computer

Computer MCQs

Learn Computer Mcqs from basic to Advance level. Computer Most Important Mcqs for Test preparation. Computer Most repeated Mcqs in exams. Computer Frequently asked questions Mcqs in Interviews. Ms wordt Mcqs, PowerPoint mcqs Ms Excel Mcqs, Database Mcqs, Operating System Mcqs, Web Mcqs, Shortcut keys, Computer PDF Mcqs download free.
Feb 28

A relational database consists of a collection of ?

A. Tables
B. Fields
C.Records
D. Keys

Mushtaq Ahmad MohmandLeave a commentComputer, Database Mcqs, The Relational Model
Feb 28

A _ in a table represents a relationship among a set of values?

A. Column
B. Key
C. Row
D. Entry

Mushtaq Ahmad MohmandLeave a commentComputer, Database Mcqs, The Relational Model
Feb 28

The term __ is used to refer to a row?

A. Attribute
B. Tuple
C. Field
D. Instance

Mushtaq Ahmad MohmandLeave a commentComputer, Database Mcqs, The Relational Model
Feb 28

The term attribute refers to a __ of a table ?

A. Record
B. Column
C. Tuple
D. Key

Mushtaq Ahmad MohmandLeave a commentComputer, Database Mcqs, The Relational Model
Feb 28

For each attribute of a relation, there is a set of permitted values, called the __ of that attribute?

A. Domain
B. Relation
C. Set
D. Schema

Mushtaq Ahmad MohmandLeave a commentComputer, Database Mcqs, The Relational Model
Feb 28

Database __ which is the logical design of the database, and the database __ which is a snapshot of the data in the database at a given instant in time?

A. Instance, Schema
B. Relation, Schema
C. Relation, Domain
D. Schema, Instance

Mushtaq Ahmad MohmandLeave a commentComputer, Database Mcqs, The Relational Model
Feb 28

Course(course_id,sec_id,semester) Here the course_id,sec_id and semester are __ and course is a __?

A. Relations, Attribute
B. Attributes, Relation
C. Tuple, Relation
D. Tuple, Attributes

Mushtaq Ahmad MohmandLeave a commentComputer, Database Mcqs, The Relational Model
Feb 28

Department (dept name, building, budget) and Employee (employee_id, name, dept name, salary) Here the dept_name attribute appears in both the relations. Here using common attributes in relation schema is one way of relating __ relations?

A. Attributes of common
B. Tuple of common
C. Tuple of distinct
D. Attributes of distinct

Mushtaq Ahmad MohmandLeave a commentComputer, Database Mcqs, The Relational Model
Feb 28

A domain is atomic if elements of the domain are considered to be?

A. Different units
B. Indivisbile units
C.Constant units
D. Divisible units

Mushtaq Ahmad MohmandLeave a commentComputer, Database Mcqs, The Relational Model
Feb 28

The tuples of the relations can be of ?

A. Any order
B. Same order
C. Sorted order
D. Constant order

Mushtaq Ahmad MohmandLeave a commentComputer, Database Mcqs, The Relational Model

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