Author Question: On a use-case diagram, an actor is shown using a stick figure with its name below. Indicate ... (Read 66 times)

ap345 · **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

srodz · **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