« previous next »

Author Question: A business rule is an integrity constraint specifying that the value of an attribute in one relation ... (Read 175 times)

cool

  • Hero Member
  • *****
  • Posts: 570
on: Jul 7, 2018
A business rule is an integrity constraint specifying that the value of an attribute in one relation depends on the value of the same attribute in another relation.
 
  Indicate whether the statement is true or false

Question 2

The size validation test tests for too few or too many characters.
 
  Indicate whether the statement is true or false


jointhecircus

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 7, 2018
Answer to Question 1

FALSE
Explanation: Referential integrity in integrity constraint specifying that the value (or existence) of an attribute in one relation depends on the value (or existence) of the same attribute in another relation.
CL

Answer to Question 2

TRUE
Explanation: For example, does a Social Security number contain exactly nine digits?
CL


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

How to find the maximum and minimum of a quadratic relation How to find the maximum and minimum of a quadratic relation
How to use L’Hospital’s Rule to find the limit of a function (Part 3) How to use L’Hospital’s Rule to find the limit of a function (Part 3)
Entrepreneurship: Starting and Operating a Small Business (3rd Edition) Entrepreneurship: Starting and Operating a Small Business (3rd Edition)
Use the product rule to find derivative Use the product rule to find derivative
Differentiate each function with respect to x. (Power rule) Differentiate each function with respect to x. (Power rule)
Find derivative using chain rule Find derivative using chain rule
Video: Fetal Development of the Cardiovascular System

For a complete list of videos, visit our video library