Databases (GATE Computer Science): Questions 56 - 62 of 154

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Question number: 56

» 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: 57

» 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: 58

» 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: 59

» 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

Question number: 60

» Databases » Query Languages

MCQ▾

Question

DML stands for

Choices

Choice (4) Response

a.

Date Manipulation Language

b.

Data Manuscript Language

c.

Database Manipulation Language

d.

None of the above

Question number: 61

» Databases » Database Design

MCQ▾

Question

________ sort–merge is an alternative to range partitioning.

Choices

Choice (4) Response

a.

Parallel external

b.

serial external

c.

Range-partitioning

d.

All of the above

Question number: 62

» Databases » Database Design

MCQ▾

Question

Personal computers assumed the user-interface functionality that used to be handled directly by the ________?

Choices

Choice (4) Response

a.

system

b.

client systems

c.

centralized system

d.

server system

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