Author Question: When a table is created using existing data from multiple sources, you are likely to find that some ... (Read 80 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
When a table is created using existing data from multiple sources, you are likely to find that some data values have never been provided because the values are not known. This is an example of ________.
 
  A) the multivalued, multicolumn problem
  B) the inconsistent values problem
  C) the missing values problem
  D) the general-purpose remarks column problem

Question 2

What is a distributed database?
 
  What will be an ideal response?



jesse.fleming

  • Sr. Member
  • ****
  • Posts: 301
Answer to Question 1

C

Answer to Question 2

A distributed database is a database that has been partitioned, replicated, or both. Partitioning means breaking up the database into sections, and then storing those sections on separate computers. Replicating means making copies of the database, and then storing those copies on separate computers.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

For a complete list of videos, visit our video library