Which of the following criteria should be considered when selecting an identifier?
A) Choose an identifier that is stable.
B) Choose an identifier that will not be null.
C) Choose an identifier that doesn't have large composite attributes.
D) All of the above.
D
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Indicate whether the statement is true or false
Use of which of the following segmenting dimensions is LEAST likely to result in segments that will meet the criteria that product-market segments should be "operational"?
A. income level B. family size C. geographic region D. age E. personality
While organizing, workers may not discuss union issues on company property, but may do so off the premises
Indicate whether the statement is true or false
On a sequence diagram, a message represents a service request
a. True b. False Indicate whether the statement is true or false