Stages of the database system development lifecycle

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Describe how fact-finding is used throughout the stages of the database system development lifecycle.

Create an ER model for each of the following descriptions:

(a) Each company operates four departments, and each department belongs to one company.

(b) Each department in part (a) employs one or more employees, and each employee works for one department.

(c) Each of the employees in part (b) may or may not have one or more dependents, and each dependent belongs to one employee.

(Connolly 383)

Reference no: EM131163684

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