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Author Question: Which of the following technologies disrupted the business rule of you having to find out where ... (Read 58 times)

SO00

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on: Jul 7, 2018
Which of the following technologies disrupted the business rule of you having to find out where things are?
 
  A) Distributed databases
  B) Expert systems
  C) Advanced telecommunications networks
  D) Automatic identification and tracking technology
  E) Interactive communications technologies

Question 2

On an entity-relationship diagram, the entity's identifier is:
 
  A) identified by using a double-lined ellipse.
  B) underlined on an E-R diagram.
  C) bold on an E-R diagram.
  D) written in all capital letters on an E-R diagram.
  E) placed in italics.


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jointhecircus

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

D
Explanation: D) Technologies like RFID are allowing businesses to automatically find out where things are.
CL

Answer to Question 2

B
Explanation: B) This underlined identifier uniquely identifies an entity instance in an entity.
CL


SO00

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

abro1885

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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