« previous next »

Author Question: As a result of mapping the ZYX Company ERD into a relational schema, primary key of the relation ... (Read 54 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
on: Jul 7, 2018
As a result of mapping the ZYX Company ERD into a relational schema, primary key of the relation CUSTOMER will be referred to by a foreign key in the relation CUSTOMER.
 
  Indicate whether the statement is true or false

Question 2

Creating ETL infrastructure includes creating necessary procedures and code for:
 
  A) Designing and creating applications for indirect use by the end users
  B) The seamless load of the transformed data into the operational data bases
  C) Automatic extraction of relevant data from the data warehouses
  D) Transformation of the extracted data, so that its quality is assured and its structure conforms to the structure of the modeled and implemented data warehouse


Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 7, 2018
Answer to Question 1

TRUE

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

An example showing a modification that has occurred as a result of biological evolution An example showing a modification that has occurred as a result of biological evolution
Comparison of the level of skin damage as a result of the three different degrees of burns. Comparison of the level of skin damage as a result of the three different degrees of burns.
Kitagawa Utamaro, Utamaro's Studio, Eshi . . . dosa-hiki (the three primary steps in producing ... Kitagawa Utamaro, Utamaro's Studio, Eshi . . . dosa-hiki (the three primary steps in producing ...
Gender Schema Theory Gender Schema Theory
Primary steps in fibrinolysis. Primary steps in fibrinolysis.
Restriction mapping of lambda phage Restriction mapping of lambda phage
Video: Central Nervous System Animation

For a complete list of videos, visit our video library