« previous next »

Author Question: An important property of B-Trees is that they are balanced to maintain efficient and predictable ... (Read 37 times)

kshipps

  • Hero Member
  • *****
  • Posts: 571
on: Jul 7, 2018
An important property of B-Trees is that they are balanced to maintain efficient and predictable performance. Balanced here means that ________.
 
  A) every pointers allows access to the same number of data records
  B) the numbers at every level of the B-Tree have the same average value
  C) the key field values are the same at every level
  D) every data record is the same distance from the top entry of the B-Tree

Question 2

The advantages of normalization include ________.
 
  A) the elimination of modification anomalies
  B) the elimination of duplicated data
  C) more complex SQL for multitable subqueries and joins
  D) simpler SQL queries


leahm14

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Resource partitioning among five species of warblers feeding in North American spruce trees. Resource partitioning among five species of warblers feeding in North American spruce trees.
Figure 7.1 shows the rapid decline in the trust of Americans in government since the 1960s. This de Figure 7.1 shows the rapid decline in the trust of Americans in government since the 1960s. This de
A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
It is important to act concerned when a patient is upset. It is important to act concerned when a patient is upset.
Important Trace Elements in the Body Important Trace Elements in the Body
Mango trees Mango trees
Video: Leukemia

For a complete list of videos, visit our video library