Kellton DOT NET Developer Interview Questions, Process, and Tips

SQL joins are used to combine rows from two or more tables based on a related column between them.

• SQL joins are used to retrieve data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• CTE (Common Table Expression) is a temporary result set that can be referenced within a SELECT, INSERT, UPDATE, or DELETE statement.

• Stored Procedures (SP) are pre...read more

ADO.NET is a data access technology while Entity Framework is an ORM framework for data access in .NET applications.

• ADO.NET is a set of classes used to interact with data sources like databases directly.

• Entity Framework is an ORM framework that allows developers to work with data in terms of objects and classes.

• ADO.NET requires writing SQL queries manually, while Entity Framework allows querying data using LINQ.

• Entity ...read more

OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: The ability of different classes to be treated as instances of th...read more

Inheritance is used in projects to promote code reusability, reduce redundancy, and improve maintainability.

• Inheritance allows for the creation of a hierarchy of classes where common attributes and methods can be defined in a base class and inherited by subclasses.

• It helps in promoting code reusability by allowing subclasses to inherit properties and methods from a base class, reducing redundancy in code.

• Inheritance al...read more