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In database-oriented application development using C++ in a DBMS lab environment, designing a Customer class is a fundamental exercise that demonstrates the principles of object-oriented programming such as encapsulation, data abstraction, and modular design. The Customer class represents a real-world entity and is used to model customer-related data in a structured and secure manner. By declaring data members as private, the class ensures that sensitive information such as customer ID, contact details, and address cannot be accessed directly from outside the class, thereby maintaining data integrity and enforcing controlled access through public member functions. The Customer class contains private data members including Customer ID, Customer Name, Address, Mobile Number, and Email Address. These attributes collectively define the identity and contact details of a customer in a database system. Customer ID is typically a unique identifier used as a primary key in DBMS, ensuring that each record can be uniquely distinguished. Customer Name stores the full name of the customer, while Address provides location details necessary for communication or delivery purposes. Mobile Number and Email Address serve as essential contact fields and must be handled carefully to avoid unauthorized access or modification. Constructors play an important role in initializing objects of the Customer class. A default constructor initializes the data members with default or empty values, ensuring that an object is created in a valid state even if no arguments are provided. A parameterized __________ ____ _________ ______ _________ ___ ____ _________ __________.
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