Create an initial ERD for the new system that contains at least eight entities.
What will be an ideal response?
Answers will vary depending on the logical design that students prepared during the systems analysis phase of the SDLC. Students should understand and apply the guidelines on ERDs and cardinality described in this chapter. The form of the diagram is not important — systems analysts use various styles, and each CASE tool has its own way of displaying the information. The main objective is to represent the entities and the relationships among them. A sample ERD follows:
You might also like to view...
A gradient is typically used as a graduated blend between ____ colors.
a. several b. three c. four d. two
for each employee of the L&L International Corporation: the employee number, hire date, and the amount of the last five raises
Write an array declaration and any necessary supporting classes to represent the statement.
A(n) ____________________ signals an end to an e-mail message using words such as "Thank you" or "Regards."
Fill in the blank(s) with the appropriate word(s).
The operation "stackTop" can result in underflow if the stack is empty.
Answer the following statement true (T) or false (F)