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

Author Question: When transforming an E-R diagram into normalized relations, the identifier of the entity type ... (Read 17 times)

K@

  • Hero Member
  • *****
  • Posts: 608
on: Jul 7, 2018
When transforming an E-R diagram into normalized relations, the identifier of the entity type becomes:
 
  A) the primary key of the corresponding relation.
  B) the foreign key in the corresponding relation.
  C) a nonkey attribute in the corresponding relation.
  D) a secondary key in the corresponding relation.
  E) a homonym in the corresponding relation.

Question 2

All processes, information systems, and information must be constructed to facilitate an organization's competitive strategy.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leeeep

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 7, 2018
Answer to Question 1

A
Explanation: A) This primary key uniquely identifies an entity instance (row) in the relation.
CL

Answer to Question 2

TRUE


K@

  • Member
  • Posts: 608
Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review

momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

This diagram shows a cross-section of a solar-type star. This diagram shows a cross-section of a solar-type star.
SPINAL NERVES DIAGRAM SPINAL NERVES DIAGRAM
Interphase Diagram Interphase Diagram
Othmer’s Equilibrium Still Schematic Diagram Othmer’s Equilibrium Still Schematic Diagram
L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ... L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ...
Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit. Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit.
Video: Atrophy

For a complete list of videos, visit our video library