IKS Health Application Support Engineer Interview Questions and Answers

SOLID is a set of principles for designing software that promotes maintainability, extensibility, and reusability.

• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open-Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Subtypes must be substitutable for their base types.

• I - Interface Segregation Principle:...read more

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

• Joins are used to retrieve data from multiple tables in a single query

• Common types of joins include inner join, left join, right join, and full outer join

• Joins are performed using the JOIN keyword and specifying the related columns

• Joins can be used to fetch data based on matching values or non-matching values between ta