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

Author Question: When building an information system, we first create a ________ model of the system, from which we ... (Read 137 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Jul 7, 2018
When building an information system, we first create a ________ model of the system, from which we will design the product,
 
  A) physical
  B) conceptual
  C) visionary
  D) stable

Question 2

Explain look up tables and their functions.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

A lookup table defines and, often, describes a set of valid values for a given attribute. Rows in a lookup table do not correspond to entities (or objects), but represent a range of values for a single attribute in another table, enforced through a foreign key. Lookup tables also can provide descriptions for categorical data items that are meaningless without descriptions. Optionally, they can be maintained by users.


captainjonesify

  • Member
  • Posts: 543
Reply 2 on: Jul 7, 2018
Great answer, keep it coming :)

duy1981999

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

The acetic acid–acetate pair as a buffer system The acetic acid–acetate pair as a buffer system
lymphatic system lymphatic system
The Major Components of the Limbic System The Major Components of the Limbic System
Immune System Concept Map Immune System Concept Map
Conduction system of the heart. Conduction system of the heart.
Male Reproductive System الجهاز التناسلي الذكري Male Reproductive System الجهاز التناسلي الذكري
Video: Membrane Protein and Facilitated Transport (Passive Vs Active)

For a complete list of videos, visit our video library