Hackerrank sql. Start hiring at the pace of innovation! Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. About Solutions to HackerRank problems in C / Python / Java/c++/SQL . Order your output in descending order by the total number of challenges in which the hacker earned a full score. SQL Solutions for key domains like Basic Select, Advanced Select, Aggregation, Basic Join, Advanced Join, and Alternative Queries. Learn key topics, practice tips, and strategies to ace the exam and boost your career. I highly recommend it to anyone . 3 days ago · في الفيديو ده هنحل تحدي SQL التاني على HackerRank "Revising the Select Query II" باستخدام MySQL. Welcome to my collection of SQL solutions that helped me achieve a 5-Star SQL Badge on HackerRank ⭐⭐⭐⭐⭐. - connectaditya/HackerRank_solution Excited to share that I have successfully earned my HackerRank SQL (Basic) Certification! This certification helped me strengthen my understanding of SQL queries, joins, and data manipulation HackerRank SQL Solutions Personal solutions to the HackerRank SQL track, organized by subdomain and difficulty. Two months ago, I was scrolling LinkedIn and … HackerRank is the market-leading coding test and interview solution for hiring developers. Basic HackerRank SQL Challenges ¶ Intro ¶ Unless otherwise noted, assume these examples where tested on MySQL and MySQL CLI. 3 days ago · Get ready for the HackerRank SQL Certification with this comprehensive guide. The structured challenges are perfect for development and revision. Here Julia just finished conducting a coding contest, and she needs your help assembling the leaderboard! Write a query to print the respective hacker_id and name of hackers who achieved full scores for more than one challenge. If more than one hacker received full scores in same number 🎯 Professional Milestone – 5⭐ in SQL on HackerRank I am pleased to share that I have earned my 5th star in SQL on HackerRank by successfully completing the African Cities (Basic Join "I've been revisiting my SQL skills through HackerRank and it's been an excellent platform. This repository demonstrates my ability to write clean, optimized, and efficient SQL queries across multiple difficulty levels. 🚀 Proud to share a milestone on my learning journey! I’ve achieved a 5⭐ badge in SQL Problem Solving on HackerRank — a result of consistent practice and real-world challenge solving. Also, we’ll try to stick to standard-compliant (and shy away from vendor-specific features and syntax) SQL whenever possible for max portability. This repo is mainly for learning, reference, and tracking my progress. Our comprehensive collection covers all challenge levels—easy, medium, and hard. Jul 23, 2025 · Repo Problem Description Write a query identifying the type of each record in the Tagged with sql, learning. A special-purpose language designed for managing data held in a relational database. Browse 300+ HackerRank SQL problems and solutions. هنتعلم إزاي نستخدم SELECT لاختيار adminazhar / -hackerrank-SQL-intermediate-skills-certification-test-solution Public Notifications You must be signed in to change notification settings Fork 13 Star 9 Solutions to HackerRank problems in C / Python / Java/c++/SQL . Each video covers: Clear explanation of the problem Optimal Sep 22, 2025 · How I Passed My HackerRank SQL Certification (and How You Can Too) My preparation journey, challenges I faced, and tips that can help you succeed too. I prefer MariaDB and PostgreSQL by it seems HackerRank does not provide any of those (as of June 18, 2023 at least). 🚀 Learn SQL by Solving Real Problems! Welcome to this SQL practice series where we solve every HackerRank SQL challenge step by step. - hackerrank-solutions/SQL at main · phani1410m/hackerrank-solutions This repository contains the most efficient hackerrank solutions for most of the hackerrank challenges and Domains. xzemmig mxla gkpmoru joiv tcz fmzeldt whhqz siwsm tcjmcb aawog