Database Administration Questions


Q:

In each question given below four conclusions are followed by statements. You have to take the three given statements to be true (even if they seem to be at variance from the commonly known facts). Read the conclusions and decide which of the following set of statement indicate that conclusion is logically follows.

Statements :
1. All chairs are tents.

2. No chairs is jugs.

3. No jugs is glasses.

4. No glasses is pots.

Conclusions :
I. All pots are tents.

II. All glasses are chair.

III. Some jugs are tents.

A) Only conclusion I follows B) Both conclusion II & III follows
C) None follows D) Only conclusion II follows
 
Answer & Explanation Answer: C) None follows

Explanation:
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Q:

The time complexity of sequential search is

A) O(n) B) O(2n)
C) O(n^2) D) None
 
Answer & Explanation Answer: A) O(n)

Explanation:

The time complexity of sequential search is O(n)

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Filed Under: Database
Job Role: Database Administration

0 3311
Q:

Hard Drive capacity is measured in

A) Newton B) GB
C) THz D) Gwallior
 
Answer & Explanation Answer: B) GB

Explanation:

Hard drive or disc is used to store the users information and its capacity is measured in Giga Bytes (GB) and Tera Bytes (TB).

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Q:

What is more useful when it is broken?

Answer

An Egg is more useful when it is broken than it is not.

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4 3300
Q:

What place is designated as 0 degrees longitude?

A) Greenwich B) Prime meridian
C) Tibet D) Norway
 
Answer & Explanation Answer: A) Greenwich

Explanation:

The place which is designated as 0 degrees longitude is Greenwich, England.

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Q:

Which key is used for the last action?

A) Ctrl + D B) Alt + Z
C) Ctrl + Z D) Alt + D
 
Answer & Explanation Answer: C) Ctrl + Z

Explanation:

For undo the action or last action [Ctrl + Z] is used.

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Q:

Representation level data models provide the concepts that are close to the way many users perceive data

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

High level data models provide the concepts that are close to the way many users perceive data

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Subject: Database
Job Role: Database Administration

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Q:

An image created to accompany words is called

A) A Heirogylph B) An Illustration
C) A Logo D) An Icon
 
Answer & Explanation Answer: B) An Illustration

Explanation:

An Illustration is a visual image created to accompany words to depict them.

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