Databases (GATE Computer Science): Questions 88 - 94 of 154

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Question number: 88

» Databases » Database Design

MCQ▾

Question

To ________that satisfies a particular condition, the clause is called WHERE.

Choices

Choice (4) Response

a.

store data

b.

FROM

c.

retrieve data

d.

None of the above

Question number: 89

» Databases » Database Design

MCQ▾

Question

CAD stands for________

Choices

Choice (4) Response

a.

Computer-aided-diagram

b.

Computer-aided-design

c.

Computer-add-design

d.

Question does not provide sufficient data or is vague

Question number: 90

» Databases » Relational Model

MCQ▾

Question

E-R diagram generally map directly into columns for the appropriate tables and new tables are created for these attributes is called ________

Choices

Choice (4) Response

a.

weak entity

b.

attribute

c.

entity

d.

Multivalued attributes

Question number: 91

» Databases » ER-Model

MCQ▾

Question

A property or description of an entity is called________?

Choices

Choice (4) Response

a.

Attribute

b.

Domain

c.

Entity set

d.

Relationship

Question number: 92

» Databases » Relational Model

MCQ▾

Question

A ________ is a statement requesting the retrieval of information.

Choices

Choice (4) Response

a.

data definition language

b.

query

c.

SQL

d.

data manipulation language

Question number: 93

» Databases » Database Design

MCQ▾

Question

The ________allows database modifications to be output to the database while the transaction is still in the active state.

Choices

Choice (4) Response

a.

immediate-modification technique

b.

deferred-modification technique

c.

immediate technique

d.

None of the above

Question number: 94

» Databases » Relational Model

MCQ▾

Question

A person who has such central control over the system is called a ________.

Choices

Choice (4) Response

a.

Sophisticated

b.

Sophisticated users

c.

Naive users

d.

database administrator

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