OOP’S & Java Interview Questions

OOP’S & Java Interview Questions What are the principle concepts of OOPS? There are four principle concepts upon which object-oriented design and programming rest. They are: Abstraction Polymorphism Inheritance Encapsulation (i.e. easily remembered as A-PIE). What is Abstraction? Abstraction refers to the act of representing essential features without including the background details or explanations. What … Read more

DBMS Interview Questions Answers

Database Interview Questions

What is indexing and the different kinds of indexing? Indexing is a technique for determining how quickly specific data can be found.  Types: Binary search style indexing B-Tree indexing Inverted list indexing Memory resident table Table indexing What is the system catalog or catalog relation? How is it better known as? An RDBMS maintains a … Read more