Question: (8 pts) A cellular operator needs a database to keep track of its customers, their subscription plans, and the handsets (cell phone) that they are

  1. (8 pts) A cellular operator needs a database to keep track of its customers, their subscription plans, and the handsets (cell phone) that they are using. Based on this E-R diagram, describe the relationships in English. Your description should contain the cardinality and cardinality constraint information. For example, the relationship of Includes should be described as follows:

A plan can include one or possibly many handsets; a handset can be optionally included in one and at most one plan.

(8 pts) A cellular operator needs a database to

  1. Describe the relationship of Family member(2 pts)

  1. Describe the relationship of have(2 pts)

Family member Customer HO Is responsible for Belongs Handset Includes Plan HO +H Plan Type have

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