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Author Question: On a use-case diagram, an actor is shown using a stick figure with its name below. Indicate ... (Read 128 times)

ap345

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on: Jul 7, 2018
On a use-case diagram, an actor is shown using a stick figure with its name below.
 
  Indicate whether the statement is true or false

Question 2

Sequential files are practical for random row retrievals.
 
  Indicate whether the statement is true or false


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srodz

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

TRUE
Explanation: This may be the most illustrative diagram (use-case), stickman and all, you learn about in this class.
CL

Answer to Question 2

FALSE
Explanation: An indexed file organization is better for random row retrievals.
CL


ap345

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Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review

raenoj

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Reply 3 on: Yesterday
Gracias!

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