Home
Current Affairs January 2024

What is the correct answer?

4

The privilege lists include
i) select
ii) insert
iii) update
iv) delete

A. only i)

B. only i) ii)

C. only i) ii) iii)

D. i) ii) iii) iv)

Correct Answer :

D. i) ii) iii) iv)


Related Questions

What is the correct answer?

4

A DBMS query language is designed to

A. support end users who use English-like commands.

B. support in the development of complex applications software.

C. specify the structure of a database.

D. all of the above.

What is the correct answer?

4

which of the following is a binary operation?

A. project

B. select

C. rename

D. none of the above

What is the correct answer?

4

Extended Entity Relationship model consists of which of the following
i) Specialization
ii) Generalization
iii) Categorization

A. i and ii only

B. ii and iii only

C. i and iii only

D. All i, ii iii

What is the correct answer?

4

Data Manipulation Language DML) is not to

A. Create information table in the Database

B. Insertion of new information into the Database

C. Deletion of information in the Database

D. Modification of information in the Database

What is the correct answer?

4

The output of the Data Definition Language is stored in the

A. view table

B. schema

C. metadata

D. all of the above.

What is the correct answer?

4

Primary storage

A. magnetic disk

B. magnetic tape

C. juke box

D. cache

What is the correct answer?

4

The host part in a class A type of an IP address has

A. 12 bits

B. 16 bits

C. 24 bits

D. 28 bits

What is the correct answer?

4

Event condition action model is related to

A. Views

B. Cursors

C. Triggers

D. None of these.

What is the correct answer?

4

DECLARE is a(an)

A. executable statement.

B. declarative statement.

C. Ordered file

D. none of the above

What is the correct answer?

4

Which of the following is also known as Offline storage ?

A. primary storage

B. secondary storage

C. tertiary storage

D. none of the above

What is the correct answer?

4

In an object oriented model, one object can access data of another object by passing?

A. Instance variable

B. Variable

C. Message

D. Function

What is the correct answer?

4

In which of the following transmissions, we can send data by grouping n bits at a time instead of a single bit?

A. parallel

B. serial

C. analog

D. digital

What is the correct answer?

4

The command used to delete a particular column in a relation

A. UPDATE

B. DROP

C. ALTER

D. DELETE

What is the correct answer?

4

In an Entity-Relationship Diagram Diamonds represents

A. Attributes

B. Multi-valued attributes

C. Weak entity set

D. Relationship sets

What is the correct answer?

4

A transaction which may not complete its execution successfully is termed as

A. Failed

B. Aborted

C. Blocked

D. Finished

What is the correct answer?

4

The ________ states that a foreign key must either match a primary key value in another relation or it must be null.

A. entity integrity rule

B. referential integrity constraint

C. composite attribute

D. action assertion

What is the correct answer?

4

The minimal set of super key is called

A. Primary key

B. Secondary key

C. Candidate key

D. Foreign key

What is the correct answer?

4

The method by which the structure of the database is modified to eliminate hidden dependencies and replacing groups is

A. Normalization

B. Indexing

C. Enforcing referential integrity

D. Enforcing data integrity

What is the correct answer?

4

Authorization command in SQL

A. Allow

B. Access

C. Grant

D. none of the above

What is the correct answer?

4

Select the incorrect statement

A. View is derived from other tables.

B. Once a transaction has executed commit work its effect cant be undone by rollback work .

C. The input to the aggregate function avg can be non numeric data types

D. A primary key can never be null.

What is the correct answer?

4

Transaction processing is associated with everything below except

A. producing detail, summary, or exception reports.

B. recording a business activity.

C. confirming an action or triggering a response.

D. maintaining data.

What is the correct answer?

4

Which of the following aggregate function doesnt ignore NULLs in its results?

A. COUNT

B. COUNT(*)

C. MAX

D. none of these

What is the correct answer?

4

In which of the following SET concept is used ?

A. Network Model

B. Hierarchical Model

C. Relational Model

D. None of these

What is the correct answer?

4

Data stored in cursor is called ……………

A. record

B. active data set

C. object

D. none of the above

What is the correct answer?

4

The class based addressing is known as

A. Classless addressing

B. Classful addressing

C. Classified addressing

D. Classical addressing

What is the correct answer?

4

What does a field or a combination of fields that has a unique value called ?

A. Foreign key

B. Secondary key

C. Primary key

D. Alternate key

What is the correct answer?

4

The raw facts and figures are:

A. Data

B. Data field

C. DBMS

D. DBASE

What is the correct answer?

4

Database locking concept is used to solve the problem of

A. Lost Update

B. Uncommitted Dependency

C. Inconsistent Data

D. All of the above

What is the correct answer?

4

The degree of the table with 500 rows and 7 columns is

A. 500

B. 7

C. 3500

D. none of these

What is the correct answer?

4

............... noise is caused by the random motion of the electrons in a wire and is avoidable.

A. Thermal

B. Intermodulation

C. Cross talk

D. Impulse