Database Administration Questions


Q:

Government regulation is intended to

A) discourage producers from taking harmful actions. B) encourage producers to follow the Constitution.
C) discourage producers from making a profit. D) encourage producers to take negative actions.
 
Answer & Explanation Answer: A) discourage producers from taking harmful actions.

Explanation:

Government regulation protects constitutional rights, safety, and fairness.

 

Hence, Government regulation is intended to discourage producers from taking harmful actions.

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Q:

DNA is made of repeating units called

A) Nucleotides B) Ribozomes
C) Peptides D) Aminoacids
 
Answer & Explanation Answer: A) Nucleotides

Explanation:

DNA is a very long chain polymer made up of thousands of repeating units called nucleotides.

 

Nucleotide Unit is composed of a phosphate group, a pentose sugar, and a nitrogenous base.

 

The sides of the DNA ladder are made up of alternating deoxyribose sugar -- phosphate group units.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

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Q:

A Transparent DBMS

A) Keep its logical structure hidden from users B) Can access control
C) Keeps its physical structure hidden from users D) Can not hide sensitive information from users
 
Answer & Explanation Answer: C) Keeps its physical structure hidden from users

Explanation:

DBMS :: Database Managemet System.

A DBMS which keeps its physical structure hidden from the user is known as a transparent DBMS.

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Q:

The ratio of two positive numbers is 3 : 5 and the average of the number is 48. What is the product of numbers?

A) 3365 B) 2160
C) 1854 D) 1632
 
Answer & Explanation Answer: B) 2160

Explanation:

Let the number be 3p and 5p

ATQ,

8p = 2 x 48

p = 96/8

p = 12

 

The numbers are 36 and 60.

 

Hence, the product of the numbers = 36 x 60 = 2160.

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Q:

Programs stored in ROM are called

A) Firmware B) Software
C) Hardware D) None of above
 
Answer & Explanation Answer: A) Firmware

Explanation:

ROM stands for read-only-memory.

 

It's used to store the start-up instructions for a computer, also known as the firmware.

 

Most modern computers use flash-based ROM. It is part of the BIOS chip, which is located on the motherboard.

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Q:

Data integrity constraints are used to

A) Ensure that duplicate records are not entered into the table B) Prevent users from changing the values stored in the table
C) Control who is allowed access to the data D) Improve the quality of data entered for a specific property like table column
 
Answer & Explanation Answer: D) Improve the quality of data entered for a specific property like table column

Explanation:

Integrity constraints are used to ensure accuracy and consistency of data in a relational database. Data integrity is handled in a relational database through the concept of referential integrity. Many types of integrity constraints play a role in referential integrity (RI).

 

Hence, Data integrity constraints are used to Improve the quality of data entered for a specific property i.e, table column.

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Q:

Which of these was a political goal for farmers?

A) lower prices for grain storage B) higher prices for machinery
C) lower prices for foreign goods D) higher prices for shipping
 
Answer & Explanation Answer: A) lower prices for grain storage

Explanation:
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Filed Under: Indian History
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration

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Q:

We Can still delete a row from primary table if there are related rows in secondary table once a refferential integrity is enforced

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

Explanation:

Can’t delete a row from primary table if there are related rows in secondary table.

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Subject: Database
Job Role: Database Administration

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