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Author Question: Indexes are most useful for columns that frequently appear in WHERE clauses of SQL commands, either ... (Read 20 times)

stephzh

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on: Jul 7, 2018
Indexes are most useful for columns that frequently appear in WHERE clauses of SQL commands, either to qualify the rows to select or for linking.
 
  Indicate whether the statement is true or false

Question 2

NoSQL systems allow ________ by incorporating commodity servers that can be easily added to the architectural solution.
 
  A) scaling down
  B) scaling out
  C) scaling up
  D) scaling over
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Natalie4ever

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

TRUE

Answer to Question 2

B


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