Author Question: An important property of B-Trees is that they are balanced to maintain efficient and predictable ... (Read 12 times)

kshipps

  • Hero Member
  • *****
  • Posts: 571
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
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

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?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

For a complete list of videos, visit our video library