Question

QUESTION 4

1. Which of the following data models uses a non-procedural language to access data?

   	1.	Hierarchic
   	2.	Network
   	3.	Relational
   	4.	All of these

QUESTION 5

1. Which view of the three schema architecture is NOT considered a logical view?

   	1.	global view
   	2.	physical view
   	3.	local views
   	4.	none of the above - all views are logical

QUESTION 6

1. Which of the following data models require "navigation" (following pointers) through the structure to access data?

   	1.	Hierarchic
   	2.	Network
   	3.	Relational
   	4.	All of these

Answer 1

QUESTION 4

Which of the following data models uses a non-procedural language to access data?

Ans All of these

QUESTION 5

Which view of the three schema architecture is NOT considered a logical view?

Ans Physical View

Explanation

A Physical View is a technical description of the implementation of the Logical View

QUESTION 6

Which of the following data models require "navigation" (following pointers) through the structure to access data?

Hierarchic

Explanation: Record access is done by navigating downward through the data structure using pointers combined with sequential accessing.