Database Administration Questions


Q:

I am a box that holds keys without locks, yet they can unlock your soul. What am I?

A) Keyboard B) Keypad
C) Piano D) Key holder
 
Answer & Explanation Answer: C) Piano

Explanation:
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Q:

Who is the richest person in the world 2018?

A) Jeff Bezos B) Bill Gates
C) Warren Buffets D) Mark Zuckerberg
 
Answer & Explanation Answer: A) Jeff Bezos

Explanation:

Jeff Bezos is the richest person in modern history. The Amazon.com Inc. founder’s net worth broke $150 billion in New York on 16th July 2018 morning, according to the Bloomberg Billionaires Index.

 

 jeff_bezos1531830665.jpg image

 

That’s about $55 billion more than Microsoft Corp. co-founder Bill Gates, the world’s second-richest person.

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Q:

Which among the following is the relationship constraints

A) Cardinality ratio B) Participation constraints
C) Both A and B D) None of the above
 
Answer & Explanation Answer: C) Both A and B

Explanation:

Both of them are relation ship constraints

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Filed Under: Database
Job Role: Database Administration

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Q:

Why did charles babbage invent the computer?

Answer

Charles Babbage, the father of computer, invented the first general-purpose computer in an effort to prevent the mathematical errors that were prevalent in the human-calculated mathematics of his time.

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Q:

Google has introduced a new app named what that allows anybody to submit stories for and about their communities?

A) Bulletin B) Allo
C) FastRead D) Google Express
 
Answer & Explanation Answer: A) Bulletin

Explanation:
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Q:

Which command is used to return maximum value from result set?

A) MAX B) MIN
C) MAXIMUM D) MAXI
 
Answer & Explanation Answer: A) MAX

Explanation:

MAX command is used to return maximum value from result setMAX 

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Q:

The difference between two numbers is 3355. When the larger number is divided by the smaller one, the quotient is 6 and the remainder is 15. The smaller number and larger number respectively ?

A) 546, 3901 B) 415, 3770
C) 668, 4023 D) 404, 3759
 
Answer & Explanation Answer: C) 668, 4023

Explanation:

Let the smaller number be k.
Then, larger number = (3355 + k)
Therefore 3355 + k = (6k + 15)
‹=› 5k = 3340
‹=› k = 668.

Therefore, the smaller number k = 668 and now the larger number = 3355+668 = 4023.

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4 2689
Q:

SNOBOL is mainly used for

A) Text Operation B) String operations
C) List operations D) Numerical operations
 
Answer & Explanation Answer: B) String operations

Explanation:

SNOBOL is a high-level computer programming language used especially in manipulating textual data. It is mainly used for string operations and was developed between 1962 and 1967.

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