The symbol used to represent additional attributes of another ...

[mp14]

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?

[alexanderhamilton]

Answer to Question 1

C

Answer to Question 2

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

[mp14]

Gracias!

[tandmlomax84]

Thanks for the timely response, appreciate it