Draw an ER diagram for each of the following situations. 4. Each employee in a company must take at least one training course. An employee could take many training courses. A training course may be taken by mamy employees or may not be taken by any employee. Draw an ER diagram for each of the following situations. 4. Each employee in a company must take at least one training course. An employee could take many training courses. A training course may be taken by many employees or may not be taken by any employee