This topic contains a solution. Click here to go to the answer

Author Question: Generally speaking, a physical table always corresponds to a relation. Indicate whether the ... (Read 41 times)

clippers!

  • Hero Member
  • *****
  • Posts: 828
Generally speaking, a physical table always corresponds to a relation.
 
  Indicate whether the statement is true or false

Question 2

Designing usable forms and reports requires:
 
  A) prototyping.
  B) data modeling.
  C) active interaction with end users.
  D) process modeling.
  E) using structured analysis.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bison

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

FALSE
Explanation: A physical table may or may not correspond to one relation. For instance, in a many-to-many relationship, these relations typically require three tables.
CL

Answer to Question 2

C
Explanation: C) Keep in mind that designing usable forms and reports requires your active interaction with users. If this single and fundamental activity occurs, you will likely create effective designs. For example, the human-computer interface is one of the greatest challenges.
CL





 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

For a complete list of videos, visit our video library