Databases-Relational Model (GATE Computer Science): Questions 8 - 14 of 49

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Question number: 8

» Databases » Relational Model

MCQ▾

Question

________ are sophisticated users who write specialized database applications that do not fit into the traditional data-processing framework.

Choices

Choice (4) Response
a.

Sophisticated users

b.

Specialized users

c.

Naive users

d. None of the above

Question number: 9

» Databases » Relational Model

MCQ▾

Question

Few people use a ________to directly interacts with a database system.

Choices

Choice (4) Response
a.

c language

b.

query language

c.

data

d. All of the above

Question number: 10

» Databases » Relational Model

MCQ▾

Question

The overall design of the database is called the database ________.

Choices

Choice (4) Response
a.

sub schemas

b.

instance

c.

schema

d. All of the above

Question number: 11

» Databases » Relational Model

MCQ▾

Question

________ to express database queries and updates.

Choices

Choice (4) Response
a.

data definition language

b.

data manipulation language

c.

SQL

d.

Lines

Question number: 12

» Databases » Relational Model

MCQ▾

Question

A ________ is a statement that the system executes automatically as a side effect of a modification to the database.

Choices

Choice (4) Response
a.

trigger

b.

Sql

c.

log

d. Question does not provide sufficient data or is vague

Question number: 13

» Databases » Relational Model

MCQ▾

Question

RAD stands for________

Choices

Choice (4) Response
a.

Rapid application development

b.

Rapid apply development

c.

Red application development

d.

Rapid application develop

Question number: 14

» Databases » Relational Model

MCQ▾

Question

An entity set may not have sufficient attributes to form a primary key and such type of an entity set is called________

Choices

Choice (4) Response
a.

weak entity

b.

attribute

c.

entity

d. All of the above

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