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

Author Question: All of the following are tasks of data cleansing EXCEPT: A) decoding data to make them ... (Read 80 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
on: Jul 7, 2018
All of the following are tasks of data cleansing EXCEPT:
 
  A) decoding data to make them understandable for data warehousing applications.
  B) adding time stamps to distinguish values for the same attribute over time.
  C) generating primary keys for each row of a table.
  D) creating foreign keys.

Question 2

A repository of information about a database that documents data elements of a database is called a:
 
  A) schema.
  B) subschema.
  C) view.
  D) data dictionary.
Modern Database Management ¦ Hoffer, Venkataraman, Topi ¦ 13th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

thall411

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 7, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


asmith134

  • Hero Member
  • *****
  • Posts: 576
Reply #2 on: Jul 7, 2018
Thank you


thall411

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 7, 2018
No problemo


« previous next »
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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.

Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
Recognizing data clusters Recognizing data clusters
An example of a Material Safety Data Sheet (MSDS). An example of a Material Safety Data Sheet (MSDS).
A mobile weather station that can be used to gather current weather data at the scene of hazardous ... A mobile weather station that can be used to gather current weather data at the scene of hazardous ...
A hypothetical grid of data used in synteny testing A hypothetical grid of data used in synteny testing
Meiosis is used to make sperm and egg cells. A shows a simplified version and B shows a detailed ver Meiosis is used to make sperm and egg cells. A shows a simplified version and B shows a detailed ver
Video: Mendel's Principles of Inheritance (Father of Genetics)

For a complete list of videos, visit our video library