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Q:

 Which of the following is the original purpose of SQL?

A) To specify the syntax and semantics of SQL data definition language B) To specify the syntax and semantics of SQL manipulation language
C) To define the data structures D) All of the above.
 
Answer & Explanation Answer: D) All of the above.

Explanation:

SQL is a domain-specific language used in programming and designed for managing data held in a relational database management system, or for stream processing in a relational data stream management system.

 

Purpose of SQL are ::

* To define the data structures

* To specify the syntax and semantics of SQL manipulation language

* To specify the syntax and semantics of SQL data definition language

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Filed Under: Database
Job Role: Analyst , Database Administration , IT Trainer

19 21611
Q:

A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will

A) increase B) decrease
C) remain unaffected D) have its shape changed
 
Answer & Explanation Answer: A) increase

Explanation:

The metal ball can be considered  to be made up of several layers of thinner ones. On heating each of these layers will increase in radius. As the inner most layer also increases its radius, the volume inside it i.e, the volume of the hollow portion will also increase.

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Filed Under: Physics

118 21592
Q:

Which of the following statements is/are correct?

1.In June 2016, the LIGO group of scientists announced the detection of a second set of gravitational waves.

2.Gravitational waves were generated due to merger of two black holes at about 1.4 billion light-years distant.

3.Gravitational waves were inserted due to collision of two white dwarf stars at about 1.4 billion light-years distant.

Select the correct answer using the code given below.

 

A) 1 only B) 1 and 2 only
C) 2 and 3 only D) 1, 2 and 3
 
Answer & Explanation Answer: D) 1, 2 and 3

Explanation:

All are correct. Gravitational waves don’t get distorted or altered by interactions with matter as they go through space. gravitational waves have pure information about the objects and events that created them. The Government of India has given approval for the world’s third advanced Laser Interferometer Gravitational Wave Observatory (LIGO-India) to set up in India.

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Filed Under: General Science
Exam Prep: Bank Exams

0 21544
Q:

Select the synonym of

 

murmur

 

A) fuzzy B) muffled
C) buzz D)  taciturn
 
Answer & Explanation Answer: C) buzz

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 21528
Q:

Read each sentence to find out whether there is any error in any part

I am(a) glad(b) that you are here(c). No error.(d)

A) a B) b
C) c D) d
 
Answer & Explanation Answer: D) d

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 21519
Q:

Out of the following remains excavated in indus valley,which one indicates the commercial and economic development

A) Pottery B) Seals
C) Boats D) Houses
 
Answer & Explanation Answer: B) Seals

Explanation:
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Filed Under: Indian History

54 21508
Q:

What is the oxidation number of sulfur in H2S?

A) 2 B) -2
C) 1 D) -1
 
Answer & Explanation Answer: B) -2

Explanation:

The sum of the oxidation numbers in a compound must equal zero. In the compound hydrogen sulfide, H2S, the two hydrogen atoms have an oxidation number of +1, for a total of +2.

 What_is_the_oxidation_number_of_sulfur_in_H2S1556279499.jpg image

Therefore, the oxidation number of sulfur in the compound is -2, and the sum of the oxidation numbers is 0.

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Filed Under: Chemistry
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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31 21467
Q:

Lover of nature is called

A) Autophile B) Green panther
C) Dendrophile D) Petrichor
 
Answer & Explanation Answer: B) Green panther

Explanation:

Lover of nature is called nature lover or Green Panther.

nature_lover1533114089.jpg image

 

Autophile is a person who loves being alone.

 

Dendrophile is a person who loves trees and forests.

 

Petrichor is an earthy smell that follows a rainfall.

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Filed Under: English
Exam Prep: TOEFL , GRE , GATE , CAT , Bank Exams
Job Role: IT Trainer , Bank PO , Bank Clerk , Analyst

22 21454