Author Question: What are some of the characteristics of quality data? What will be an ideal ... (Read 35 times)

leo leo

  • Hero Member
  • *****
  • Posts: 566
What are some of the characteristics of quality data?
 
  What will be an ideal response?

Question 2

Applications such as decision support or data warehousing often do not require current data and are supported by periodic snapshots.
 
  Indicate whether the statement is true or false


karmakat49

  • Sr. Member
  • ****
  • Posts: 369
Answer to Question 1

There are many characteristics that define quality data:
1. Uniquenesseach entity exists no more than once within the database
2. Accuracy
3. Consistencyvalues in one set of data are consistent with values in another set
4. Completenessdata have assigned values if they need assigned values
5. Timelinessmeeting expectations for the time between having the data and making it available for access
6. Currencyhow up to date is the data set?
7. Conformanceis the data stored in conformance to the metadata?
8. Referential integrity

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

For a complete list of videos, visit our video library