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Author Question: When designing the navigation procedures within a system, the primary concerns are dialogue flow and ... (Read 78 times)

yoooooman

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on: Jul 7, 2018
When designing the navigation procedures within a system, the primary concerns are dialogue flow and the instructional features.
 
  Indicate whether the statement is true or false

Question 2

Referencing a relation, the sequence of columns cannot be interchanged without changing the meaning or use of the relation.
 
  Indicate whether the statement is true or false


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ankilker

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

FALSE
Explanation: When designing the navigation procedures within your system, flexibility and consistency are primary concerns.
CL

Answer to Question 2

FALSE
Explanation: Because the relational model is based on relational algebra, the order of the columns does not matter. For instance, 45 is the same as 54.
CL


yoooooman

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Reply 2 on: Jul 7, 2018
Thanks for the timely response, appreciate it

cpetit11

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Reply 3 on: Yesterday
Wow, this really help

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