Goldmedal Electricals ASP.NET Developer Interview Questions and Answers

SQL is a programming language used for managing and manipulating databases. Joins are used to combine rows from two or more tables based on a related column between them.

• SQL stands for Structured Query Language and is used to interact with databases.

• Joins are used to combine data from multiple tables based on a related column.

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

• Example: SELECT...read more

The four pillars of OOP are encapsulation, inheritance, polymorphism, and abstraction.

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

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

• Polymorphism: The ability for objects of different classes to respond to the same method call.

• Abstraction: Hiding the complex implementation details and showin