An entity EMPLOYEE in an E-R diagram with a single value attribute (Emp_Id) where Emp_Id is a primary key for relation, multi-value attribute(Emp_Phone) as well as composite value attributes(Emp_Name, Emp_Address) as shown in below diagram. A minimum number of tables are required to represent this relational model is/are______?
Enter numerical value using the virtual keypad. Round off where necessary.