« previous next »

Author Question: Denormalization reduces the chance of errors introduced by normalizing relations. Indicate ... (Read 34 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
on: Jul 7, 2018
Denormalization reduces the chance of errors introduced by normalizing relations.
 
  Indicate whether the statement is true or false

Question 2

The use-case model is developed during the requirements analysis phase.
 
  Indicate whether the statement is true or false


AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 7, 2018
Answer to Question 1

FALSE
Explanation: Denormalization can increase the chance of errors and inconsistencies that normalization avoided.
CL

Answer to Question 2

TRUE
Explanation: Use-case modeling is done in the early stages of system development (during the analysis phase) to help developers understand the functional requirements of the system without worrying about how those requirements will be implemented.
CL


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

The Dingo was the first placental mammal introduced to Australia, around 4000 years ago The Dingo was the first placental mammal introduced to Australia, around 4000 years ago
A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet
Common errors in blood pressure assessment Common errors in blood pressure assessment
Contact theory indicates that prejudice decreases and relations improve when individuals of ... Contact theory indicates that prejudice decreases and relations improve when individuals of ...
Solid Foods Should Be Introduced Gradually after Certain Milestones Are Reached Solid Foods Should Be Introduced Gradually after Certain Milestones Are Reached
Incorporated errors and mutations Incorporated errors and mutations
Video: Contraction cycle of a sarcomere

For a complete list of videos, visit our video library