Which of the following is not true about subtype entities?
A) Subtypes may be exclusive.
B) The supertype and subtypes will have the same identifier.
C) Subtypes are used to avoid a situation in which some attributes are required to be null.
D) All subtypes of a supertype must have the same attributes.
D
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Which one of the following is an accurate description of Allowance for Doubtful Accounts?
a. Contra account b. Liability account c. Revenue account d. Expense account
Which of the following attributes is most typical of a service?
A) production and consumption occur simultaneously B) tangible C) mass production D) consistency E) easy to automate
The result of team building among the project's participants that states their common goals for the project as well as the procedures that will be used to achieve these goals is a
A. Partnering charter. B. Legal partnership agreement. C. Signed contract. D. Responsibility matrix. E. Project plan.
Which of the following is a solution for problems arising from information silos?
A. integrating data into a single database B. implementation of a data concentration server C. isolating functional applications D. departmentalization of an organization E. limiting communication to top-level management