Author Question: When designing the navigation procedures within a system, the primary concerns are dialogue flow and ... (Read 46 times)

yoooooman · **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

ankilker · **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