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Showing posts from October, 2024

What is Git and GitHub. Difference Between Git and GitHub. Workflow of Git.

Introduction In this blog, we will dive into a Git and GitHub, understand their differences, and go over the typical workflow when using GitHub. Whether you are new to version control or simply curious about how these tools work together, this guide will walk you through the essential concepts and processes you need to know. What is Git? Git is a Distributed Version Control System (DVCS) that efficiently manages code changes across multiple contributors. It helps developers to monitor and manage changes in their code efficiently. Git was created by Linus Torvalds on April 7, 2005. It is widely used in developer community for its collaborative features, allowing developers to work on the same project, whether the project is small or large. You can efficiently monitor code modifications and preserve a detailed history of changes. Git is free and open-source, designed to handle everything from individual projects to complex ones. Developers can track every modification, create branches fo...

Leetcode SQL 50 interview questions with solution: A Guide for Coders

Introduction Hi coders, In this blog, we will tackle SQL questions from LeetCode. If you're a coder, a computer science student, or simply interested in coding, you may be familiar with LeetCode. It's a platform where coding enthusiasts practice problems to enhance their critical thinking and problem-solving skills. Most of us practice programming questions on leetcode so here we practice SQL questions which is taken from leetcode. We'll start with basic SQL questions focused on SELECT , joins, and aggregate functions. Once we've covered these foundational topics, we'll transition to more advanced concepts. Before diving into the questions, ensure you have a basic understanding of SQL syntax and statements, including SELECT , various joins (self join, left join, right join, outer join), and basic aggregate functions. Here are some SQL interview questions with solution: Q1 1757. Recyclable and Low Fat Products SELECT product_id FROM Products WHERE low_fats ...