Database Administration Questions


Q:

Which of the following is the largest unit of information?

A) 1 TB B) 1 GB
C) 1 MB D) 1 KB
 
Answer & Explanation Answer: A) 1 TB

Explanation:

1 TB  >  1 GB  >  1 MB  >  1 KB

 

1 Tb (Tera Byte) = 1024 GB

 

1 GB (Giga Byte) = 1024 MB

 

1 MB (Mega Byte) = 1024 KB

 

1 KB (Kilo Byte) = 1024 Bytes

 

1 Byte = 8 Bit

 

Hence, largest unit of information is TB (Tera Byte) and smallest unit of information is Bit.

 

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Q:

Can’t update primary table’s primary key if row being modified has related rows in secondary table once referential integrity is enforced

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

Explanation:
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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:

Makaibari is the costliest variety of what?

A) Coffee B) Pepper
C) Tea D) Water
 
Answer & Explanation Answer: C) Tea

Explanation:

Makaibari is the world's first tea factory and was established in 1859 in Darjeeling, West Bengal. 

 

It is most expensive tea in India which costs around 1.12 lakhs for 1 kg of tea.

 

Hence, Makaibari is the costliest variety of Tea.

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Q:

Multiple users can share a local temporary table

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

Explanation:

Multiple users can't share a local temporary table

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Q:

Which of these is an example of personification?

A) The moon smiled at me B) This shirt is as white as snow
C) Water is as hot as sun D) It is like a soft butter
 
Answer & Explanation Answer: A) The moon smiled at me

Explanation:

"The moon smiled at me" is the example of personification in the given options.

 

Personification is a technique in which we give objects human traits like emotions, gestures, speech,... by using metaphor. 

Here moon is an object which cannot smile but using metaphor sense, we gave that sense to it.

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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:

A sentence whose meaning is unclear

A) Anonymous B) Ambiguous
C) Unanimous D) Congruent
 
Answer & Explanation Answer: B) Ambiguous

Explanation:

A sentence whose meaning is unclear is called as Ambiguous.

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