« previous next »

Author Question: A requirement that refers to the need to restrict or grant access to data or database objects is ... (Read 46 times)

K@

  • Hero Member
  • *****
  • Posts: 608
on: Jul 7, 2018
A requirement that refers to the need to restrict or grant access to data or database objects is called a:
 
  A) Data Requirement
  B) Report Requirement
  C) Security Requirement
  D) None of the above

Question 2

What is the difference between a primary key and a secondary key?
 
  What will be an ideal response?


adammoses97

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 7, 2018
Answer to Question 1

C

Answer to Question 2

A primary key is a key that uniquely identifies a record. A key is called a secondary key if it cannot uniquely identify a record. Secondary keys either may be unique or may identify multiple records in a database.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

A health history is essential in collecting subjective data about metabolic acidosis. A health history is essential in collecting subjective data about metabolic acidosis.
Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ... Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ...
Transferring Sterile Objects Using Transfer Forceps Transferring Sterile Objects Using Transfer Forceps
Flow data for a healthy donor (top panel) and a HIV positive patient. CD3 is a T-cell marker, CD4 is ... Flow data for a healthy donor (top panel) and a HIV positive patient. CD3 is a T-cell marker, CD4 is ...
Access to clean drinking water is just as important as adequate nutrition for human health Access to clean drinking water is just as important as adequate nutrition for human health
Linkage Data from 39 Families with Cystic Fibrosis Linkage Data from 39 Families with Cystic Fibrosis
Video: The Vestibular System

For a complete list of videos, visit our video library