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Author Question: A rule of thumb for choosing indexes is to: A) be careful indexing attributes that may be null. ... (Read 27 times)

jerry coleman

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A rule of thumb for choosing indexes is to:
 
  A) be careful indexing attributes that may be null.
  B) index each primary key of each table.
  C) use an index when there is variety in attribute values.
  D) all of the above.

Question 2

Increasingly, voice, video, and data communications are all based on Internet technology.
 
  Indicate whether the statement is true or false


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perkiness

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jerry coleman

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Reply 2 on: Jul 7, 2018
Gracias!


kusterl

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Reply 3 on: Yesterday
:D TYSM

 

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