Database [3i Infotech Placement]: Sample Questions 144 - 145 of 294

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Question 144

Database

Question

MCQ▾

What is difference between a DIALOG WINDOW and a DOCUMENT WINDOW regarding moving the window with respect to the application window?

Choices

Choice (4)

a.

A document window can be moved outside the application window while a dialog window cannot be moved

b.

A dialog window can be moved outside the application window while a document window cannot be moved

c.

Dialog and document windows behave the same way as far as moving the window is concerned.

d.

Question does not provide sufficient data or is vague

Answer

b.

Explanation

Table of the Dialog and Document Windows
Dialog windowDocument window
Can be moved outside the application windowCannot be moved
Used for modal dialogs.Displays the main canvases

Question 145

Database
Edit

Write in Short

Short Answer▾

What is Fully Functional dependency?

Explanation

Example of Full Functional Dependency
  • It is based on concept of full functional dependency.
  • A functional dependency X Y is full functional dependency if removal of any attribute A from X means that the dependency does not hold any more.
  • X functionally determines Y.

If for each pair of tuples and for all relations in :

If then we must also have

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