Techno Functional Consultant Interview Questions and Answers for Freshers

Procedures do not return values while functions return values.

• Procedures are used to perform an action while functions are used to calculate a value.

• Functions can be used in expressions while procedures cannot.

• Functions have a return type while procedures do not.

• Procedures can modify the input parameters while functions cannot.

• Examples of functions include SUM, AVG, and MAX while examples of procedures include INSERT, UPDATE, and DELETE.

Order management is the process of receiving, tracking, and fulfilling customer orders.

• It involves managing the entire order lifecycle from order placement to delivery

• It includes tasks such as inventory management, order processing, and shipping

• Order management systems help automate and streamline the process

• Examples of order management systems include SAP, Oracle, and Salesforce

Abstraction in Java is the concept of hiding the implementation details and showing only the necessary features of an object.

• Abstraction allows for creating abstract classes and interfaces in Java.

• It helps in achieving data hiding and encapsulation.

• Abstraction is implemented using abstract classes and interfaces.

• Example: Abstract class 'Shape' with abstract method 'draw' can be extended by concrete classes like 'Circle' and 'Rectangle'.