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Author Question: The symbol used to represent additional attributes of another entity that may not be present on ... (Read 7 times)

mp14

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on: Jul 7, 2018
The symbol used to represent additional attributes of another entity that may not be present on every record of the first entity is called an:
 
  A) associative entity.
  B) attributive entity.
  C) entity subtype.
  D) self-join.
  E) ordinal entity.

Question 2

What do timestamps indicate in slowly changing dimensions?
 
  What will be an ideal response?


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alexanderhamilton

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

C

Answer to Question 2

Timestamps indicate the time interval for which the values in the record are applicable.


mp14

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Reply 2 on: Jul 7, 2018
Wow, this really help

Liddy

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Reply 3 on: Yesterday
Gracias!

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