« previous next »

Author Question: Which relation is created with a composite primary key (which includes the primary key of the entity ... (Read 106 times)

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
on: Jul 7, 2018
Which relation is created with a composite primary key (which includes the primary key of the entity on which this weak entity depends) and non-key attributes?
 
  A) Associative entity with additional key
  B) Super-type
  C) Regular entity
  D) Weak entity

Question 2

The ________ rule specifies that an entity instance can simultaneously be a member of two (or more) subtypes.
 
  A) Business
  B) Overlap
  C) Disjoint
  D) Total specialization
Modern Systems Analysis and Design ¦ Valacich, George ¦ 8th Edition
Buy Test-Bank


perkiness

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
Reply #2 on: Jul 7, 2018
Thank you :)


perkiness

  • Sr. Member
  • ****
  • Posts: 348
Reply #3 on: Jul 7, 2018
Happy to help you


« previous next »
 

Did you know?

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

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

The general survey includes assessing every patient for signs of distress. The general survey includes assessing every patient for signs of distress.
Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ... Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ...
Typical Mendelian pattern of inheritance of HLA haplotypes includes children AC, BC, AD, and BD. ... Typical Mendelian pattern of inheritance of HLA haplotypes includes children AC, BC, AD, and BD. ...
The CAMEO entry for chlorine. Useful information includes chemical and physical properties, personal ... The CAMEO entry for chlorine. Useful information includes chemical and physical properties, personal ...
Frontal section of primary somatosensory area in right cerebral hemisphere Frontal section of primary somatosensory area in right cerebral hemisphere
Video: Ciliate conjugation Animation

For a complete list of videos, visit our video library