Please identify the number of Habits a User can and must have $(m$ in and max cardinality$).$

The minimum cardinality is $0$ and maximum cardinality is any positive

number infinitely large.

What is the relationship between Checkin and Comment?

a$.$ One$-$to$-$one relationship

b$.$ One$-$to$-$many relationship

c$.$ Many$-$to$-$many relationship

What are the attributes associated with the User entity?

The attributes associated with the User Entity are; UserID, CoachID, Name, and HabitNum.

Draw an ER diagram for each of the following situations.

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.

You are asked to create a database to store customer and order information. The customer

information to be captured includes the customer ID$,$ customer name, account balance, and

credit limit$.$ The order information to be captured includes order ID$,$ order date, and total

amount. Each customer may place many orders or may not place any order, but each order

will be placed by exactly one customer.