Author Question: While representing an entity, each non-key attribute of the entity type becomes a key attribute of ... (Read 39 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
While representing an entity, each non-key attribute of the entity type becomes a key attribute of the relation.
 
  Indicate whether the statement is true or false

Question 2

A(n) ________ shown as a full, solid arrowhead, is one where the caller has to wait for the receiving object to complete execution of the called operation before it itself can resume execution.
 
  A) Activation
  B) Simple message
  C) Asynchronous message
  D) Synchronous message


cswans24

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

FALSE

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

For a complete list of videos, visit our video library