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 52 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?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on
Parents who grew up in dual-earner families are more apt to share household tasks equally than those ... Parents who grew up in dual-earner families are more apt to share household tasks equally than those ...
Adults in the Berlin Study of Aging show earlier declines on tests of nonverbal, fluid tasks (upper ... Adults in the Berlin Study of Aging show earlier declines on tests of nonverbal, fluid tasks (upper ...
Analysts expect Virtucon to make payouts of $8.7643B at the end of this year. Assume that all ... Analysts expect Virtucon to make payouts of $8.7643B at the end of this year. Assume that all ...
Curved spines make cocklebur (Xanthium) fruits stick to the fur of animals (and clothing of humans) Curved spines make cocklebur (Xanthium) fruits stick to the fur of animals (and clothing of humans)
Ribosome structure and tRNA-binding sites interpreted from cryo-EM–generated data Ribosome structure and tRNA-binding sites interpreted from cryo-EM–generated data
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library