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 104 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?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

For a complete list of videos, visit our video library