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Question
Databases in a data flow diagram are represented by:a. Parallel lines.
b. Rectangles.
c. Triangles.
d. Circles.
Answer
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Related questions
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Glenda is the membership director of her university's accounting honor society. She is interested in developing an event-driven accounting information system for the club, and has developed the REAL model below as a start. Memberships in the honor society expire at the end of each academic year; members must have their grades verified each year until they graduate. The club has at least two advisors each academic year. List the steps (in order) Glenda should follow to develop the club's event-driven accounting information system.
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Note to instructor: this problem builds on Problem 9. If you wish to focus solely on database creation without asking students to create the REAL model, copy the REAL model from the solution into the exam. Based on the REAL model you created above, specify the structure of two database tables. If a junction table is indicated by the REAL model, one of the tables must be based on it. Indicate primary keys by underlining and foreign keys with brackets.
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Basic database table creation.
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Within the context of REAL modeling, which of the following would best be described as information events: (i) preparing a cost-benefit analysis of an event-driven accounting information system, (ii) delivering merchandise to customers.a. i only.b. ii only.c. Both i and ii.d. Neither i nor ii.
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How many tables will be required in the database for the REAL model above?a. Three.b. Six.c. Eight.d.Some other number.
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Database creation
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b. Units on hand.
c. Transaction ID.
d. Total amount due to vendor.
e. Selling price per unit.
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Which symbol above would be represented in a data flow diagram with an arrow?a. Symbol a.b. Symbol b.c. Symbol c.d. Symbol d.
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"Customer information" enters a business process in a Level Zero data flow diagram. For the associated Level One diagram to be balanced, "customer information" must:a. Leave the last business process.b. Have a different name.c. Enter a business process with the same name.d. Be an input to the first process on Level One.
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Which of the following symbols would you find in a flowchart, but not in a data flow diagram?a. Circle.b. Line.c. Triangle.d. Number.
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