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Author Question: A requirement that refers to the need to restrict or grant access to data or database objects is ... (Read 98 times)

K@

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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

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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.


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