Question: Construct an ER diagram (in the Chen-like model) for a database that is to contain employee name, employee number, employee address, skill(s). An employee may

Construct an ER diagram (in the Chen-like model) for a database that is to contain employee name, employee number, employee address, skill(s). An employee may have more than one skill. Then, enhance the diagram to include level of skill, date skill certified (if certified), date began using the skill.

Are there any weak entities in this database?

Map this ER diagram to a relational database.

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