This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An entity whose primary key depends on the primary key of another entity is called a: A) ... (Read 95 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
on: Jul 7, 2018
An entity whose primary key depends on the primary key of another entity is called a:
 
  A) referential entity.
  B) candidate entity.
  C) transitive entity.
  D) dependent entity.
  E) weak entity.

Question 2

Numerous protocols are used on the Internet and they are organized according to the ________ Protocol architecture.
 
  A) TCP/IP
  B) WNIC
  C) IEEE 802.3
  D) IEEE 802.11


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lolol

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 7, 2018
Answer to Question 1

E
Explanation: E) For instance, a STUDENT_COURSE relation would not exist if we didn't have both a STUDENT and COURSE relation. In this case, STUDENT_COURSE is a weak entity.
CL

Answer to Question 2

A


newbem

  • Member
  • Posts: 579
Reply 2 on: Jul 7, 2018
Thanks for the timely response, appreciate it

ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse
B, The tubing of the medication is piggybacked to the primary tubing at the Y-port. B, The tubing of the medication is piggybacked to the primary tubing at the Y-port.
Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus
In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol
When checking a coil-on-plug (COP) assembly, check that the primary and secondary wiring looks ... When checking a coil-on-plug (COP) assembly, check that the primary and secondary wiring looks ...
Primary Actions of Hormones Primary Actions of Hormones
Video: baroreceptors

For a complete list of videos, visit our video library