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Author Question: An important property of B-Trees is that they are balanced to maintain efficient and predictable ... (Read 15 times)

kshipps

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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

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Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

A


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