XYZ Distributors Interview Questions and Answers

Python is a high-level programming language known for its simplicity and readability.

• Python is widely used for web development, data analysis, artificial intelligence, and scientific computing.

• It emphasizes code readability and uses indentation to define code blocks.

• Python has a large standard library and a vibrant community of developers.

• Example: Python can be used to create web applications using frameworks like Djan

SQL is a programming language used for managing and querying databases. Excel is a spreadsheet software used for data analysis and visualization.

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

• Excel is a spreadsheet software used for organizing, analyzing, and visualizing data.

• SQL is used to retrieve, update, and manipulate data in databases.

• Excel can perform calculations, create char...read more

Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.

• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can override or extend the functionality of the base class

Spring modules are reusable, independent units of functionality that can be easily integrated into Spring applications.

• Spring Core module provides the fundamental functionality of the Spring framework.

• Spring AOP module supports Aspect-Oriented Programming implementation in Spring applications.

• Spring JDBC module simplifies database access using JDBC.

• Spring ORM module provides integration support for popular Object-Relat...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 based on a related column

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

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column

A linked list program involves creating a data structure where each element points to the next element in the list.

• Linked list is a linear data structure where elements are stored in nodes and each node points to the next node in the sequence.

• Common operations on linked lists include insertion, deletion, and traversal.

• Example: Creating a linked list in C++ involves defining a Node class with data and a pointer to the n