Database Administration Questions


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:

How can you describe an operational level agreement (OLA) ?

A) It is a legally binding contract outlining services delivered to an IT service provider that underpin a service that provider delivers to its customers. B) It is a written agreement between a supplier and the IT customer(s), defining the key service targets and responsibilities of both parties.
C) It contains targets that underpin those within an SLA to ensure that targets will not be breached by failure of the supporting activity. D) It is an agreement between a supplier and another part of the same organization that assists with the provision of services.
 
Answer & Explanation Answer: D) It is an agreement between a supplier and another part of the same organization that assists with the provision of services.

Explanation:

An agreement between an IT service provider and another part of the same organization. An OLA supports the IT service provider's delivery of services to customers. The OLA defines the goods or services to be provided and the responsibilities of both parties.

 

* For an example there be an OLA - between the IT service provider and a acquiring department to obtain hardware in discussed times - between the Service Desk and a support group to provide Incident resolution in accepted times.

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Q:

Which continent has the least countries?

A) Africa B) South America
C) Antarctica D) Europe
 
Answer & Explanation Answer: C) Antarctica

Explanation:

Africa - 54 countries

South America - 12 countries

Antarctica - 0 countries

Europe - 43 countries.

 

Hence, Antarctica continent has the least countries.

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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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5 2672
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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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:

FIFA 2018 World Cup won by

A) Croatia B) Brazil
C) Argentina D) France
 
Answer & Explanation Answer: D) France

Explanation:

France national football team has won the FIFA 2018 - an international football tournament contested by the men's national teams of the member associations of FIFA once every four years. It took place in Russia from 14 June to 15 July 2018.

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