Entab Infotech Software Developer Interview Questions and Answers

MVC is a software design pattern that separates an application into three interconnected components: Model, View, and Controller.

• Model represents the data and business logic of the application

• View is responsible for rendering the user interface

• Controller handles user input and updates the model and view accordingly

• MVC promotes separation of concerns and modularity

• MVC is widely used in web development frameworks like Ru...read more

MVC is a design pattern used in software development to separate concerns, while .NET Core is a cross-platform, open-source framework for building modern, cloud-based, internet-connected applications.

• MVC stands for Model-View-Controller, which separates the application into three main components: the model (data), the view (user interface), and the controller (logic)

• .NET Core is a cross-platform, open-source framework ...read more

Find the Nth highest salary from a list of salaries in a database or array.

• Use SQL query: SELECT DISTINCT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET N-1;

• In programming, sort the array and access the N-1 index: salaries.sort(); return salaries[salaries.length - N];

• Handle edge cases: If N is greater than the number of unique salaries, return null or an appropriate message.

• Consider performance: For large da...read more

Cross join returns all possible combinations of rows from two tables. It differs from other joins in that it does not use any join condition.

• Cross join is also known as Cartesian join.

• It is used when we want to combine all rows from two tables.

• It does not require any join condition.

• It can result in a large number of rows if the tables being joined are large.

• Other joins like inner join, left join, right join, etc. requi...read more

Stored procedures and functions are both database objects used to encapsulate and execute code, but they have some differences.

• Stored procedures can return multiple result sets, while functions can only return a single value.

• Functions can be used in SELECT statements, while stored procedures cannot.

• Stored procedures can modify data in the database, while functions cannot.

• Functions can be used in computed columns, while...read more