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Hackerrank sql solutions github Topics Trending These solutions cover a wide range of topics including algorithms, data structures, and more. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Welcome to the HackerRank SQL Challenges Solutions repository! This repository contains my solutions to all the HackerRank SQL Practice Questions. Contribute to KursadKalender/HackerRank-SQL-Challenges-Solutions- development by creating an account on GitHub. sql at main · chibui191/HackerRank_SQL_Solutions. Contribute to incredibleiti/Hackerrank-SQL-Solutions development by creating an account on GitHub. - rewyekha/HackerRank-solutions-SQL GitHub community articles Repositories. Topics You signed in with another tab or window. Each challenge has a corresponding folder containing my solution in a specific programming This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. ; Indexing: Explore the power of indexing for faster data retrieval. AI The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. Each challenge has a corresponding folder containing my solution in a specific programming Add this topic to your repo To associate your repository with the hackerrank-sql-solution topic, visit your repo's landing page and select "manage topics. This repository contains my solutions to all SQL challenges on HackerRank. 170+ solutions to Hackerrank. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding This repository contains all 58 solutions to the HackerRank SQL Practice Questions. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Student_ Advisor_SQL. Add this topic to your repo To associate your repository with the hackerrank-sql-solutions-oracle topic, visit your repo's landing page and select "manage topics. AI-powered developer platform Solutions to the SQL HackerRank challenges. My solutions to SQL challenges on Hacker Rank. . - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Student_ Analysis_SQL. Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Nerves can peak during the programming test, and even experienced developers might blank Add this topic to your repo To associate your repository with the hackerrank-sql-challenge topic, visit your repo's landing page and select "manage topics. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/SQL Project Planning. : enclosed in parentheses). Solutions of SQL HackerRank Challenges. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Solutions to Hackerrank SQL Problems. Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions. You switched accounts on another tab or window. - Know thy self joins as they are occasionally handy /*The function SIGN returns the sign for the numeric Solution - for sigma less than 3000 for "Number" column we have "2" rows, Question - 6 Consider the following data table named Student. This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. This project is open-source and available under the MIT License. Effective solutions to hackerrank. You signed in with another tab or window. AI-powered developer platform HackerRank concepts & solutions. 1 Revising the Select Query I SQL 2 Revising the Select Query II SQL This repository contains solutions to all the HackerRank SQL Practice Questions - HackerRank-SQL-Challenges-Solutions/Basic Select/Weather Observation Station 12. Enterprises Small and medium teams Startups By use case. AI-powered developer This repository contains my solutions to all SQL challenges on HackerRank. AI-powered developer platform Available add A collection of solutions to HackerRank SQL challenges, categorized by difficulty and topic. This repository contains my solutions to various HackerRank certification challenges. Enterprise This repository contains My Solutions of SQL challenges on HackerRank and you can see multiple solutions for the same challenge. Contribute to yonice7/hackerrank-sql-solutions development by creating an account on GitHub. sql at master · IhorVodko/Hackerrank_solutions 317 efficient solutions to HackerRank problems. Contains solutions of the sql queries of HackerRank About. AI-powered developer platform You signed in with another tab or window. master This repository contains my solutions to various HackerRank certification challenges. AI-powered developer platform This repository contains all the solutions to the SQL questions listed in the Hackerrank platform , can be used by coders for reference purpose. AI-powered developer platform Available add-ons. Given the table schemas below, write a query to print the company_code, founder name, total number of lead managers, total number of senior managers, total number of managers, and total number of employees. " Learn more Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Each problem is solved using SQL queries, and the solutions are organized for easy reference. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. GitHub community articles Repositories. . Navigation Menu Toggle navigation. Contribute to vivekshah20/hackerrank-solutions development by creating an account on GitHub. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions sql hackerrank hackerrank-solutions sql-history hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-sql-solutions hackerrank-solutions-github sql-hackerrank hackerrank-sql-challenge hackerrank-solution hackerrank-sql-solutions-oracle hackerrank-sql-certificate hackerrank-sql-solution hackerrank-sql-problems hackerrank-sql Take your SQL expertise to the next level with advanced topics. sql at master · raleighlittles/HackerRank-SQL My solutions to Hackerrank problems. Contribute to rabestro/hackerrank-sql development by creating an account on GitHub. ; Advanced: Expert-level problems and more complex queries. -- to buy each non-evil wand of high power and age. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Solutions By company size. Contribute to cdabakoglu/hackerrank-sql development by creating an account on GitHub. txt at main · mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions github mysql challenge sql solutions hackerrank hackerrank-solutions hackerrank-challenges hackerrank-sql hackerrank-sql-solutions sql-challenges hackerrank-problems hackerrank-sql-problems Updated Apr 22, 2023 You signed in with another tab or window. " Learn more Welcome to my collection of HackerRank SQL challenge solutions! 🥷 This repository showcases my optimized and efficient SQL queries for various problem-solving scenarios. You signed out in another tab or window. Query the number of ocurrences of each occupation in OCCUPATIONS. where n not in (select n from root) and n not in (select distinct p from bst where p is not null)), Take your SQL expertise to the next level with advanced topics. Write a query to output the start and end dates of projects listed by the number of days it took to complete the project in ascending order. Listed below are the questions available in this repository. This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. development by creating an account on GitHub. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Solutions for Hackerrank SQL problems. Learn SQL queries, aggregations, joins, subqueries and more with examples and explanations. sql at main · Surabhi195/HackerRank-SQL-Challenges-Solutions GitHub community articles Repositories. -- Write a query to print the id, age, coins_needed, and power of the wands that Ron's interested in, -- sorted in order of descending power. Contribute to christinasam/hackerrank-challenge-solutions development by creating an account on GitHub. ; Each folder contains . com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions HackerRank concepts & solutions. Add this topic to your repo To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. ; Medium: Intermediate-level SQL challenges. The goal of this repository is to document and share SQL queries that I have In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. Skip to content. subject_two + b. name from student_information a inner join examination_marks b on a. subject_one + b. md All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Solutions of SQL Challenges on HackerRank. Copy path. The repository contains 4 folders. Topics Trending Collections Enterprise Enterprise platform. These solutions can be used as a reference for other learners or as a way to practice and improve SQL skills. roll_number group by b. " Learn more github mysql challenge sql solutions hackerrank hackerrank-solutions hackerrank-challenges hackerrank-sql hackerrank-sql-solutions sql-challenges hackerrank-problems hackerrank-sql-problems Updated Apr 22, 2023 Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Crack your coding interview and get hired. Contribute to lpinzari/sql-psql-udy development by creating an account on GitHub. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. 1 Revising the Select Query I SQL 2 Revising the Select Query II SQL The repository is organized as follows: Easy: Beginner-level SQL challenges. Contribute to vinibrsl/hackerrank-sql development by creating an account on GitHub. - jaquezux/SQL-hackerrank-solutions. txt at main · mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions GitHub is where people build software. Any contributions you make are greatly appreciated. com practice problems using Python 3, С++ and Oracle SQL ⚡ Solutions to coding challenges on HackerRank (Python, Java, C++, SQL, Problem Solving & Math) <\> Contains solutions for all Hackerrank Sql problems - Hackerrank-Sql-solutions/Basic Join -- Challenges at main · vmlrj02/Hackerrank-Sql-solutions 📜 License. roll_number, a. DevSecOps DevOps CI/CD View all use cases GitHub community articles Repositories. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions You signed in with another tab or window. I have also earned a 5-star badge on HackerRank for Add this topic to your repo To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. Topics HackerRank SQL Solutions. I solved these problems to Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering various aspects of SQL including querying, joins, aggregations, and more. " Learn more In this repository you will find my answers to the SQL challenges proposed in HackerRank, from basic to advanced level. roll_number having sum(b. About. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. Feel free to explore and use the solutions as a reference for you - Hackerrank-Sql My solutions to SQL challenges on Hacker Rank. HackerRank SQL exercises and solutions. Contribute to iancarson/HackerRank_Sql_Solutions. -- If more than one wand has same power, sort The solutions of all SQL hackerrank challenges using MySQL environment. " Learn more 317 efficient solutions to HackerRank problems. AI-powered developer platform Welcome to the HackerRank Solutions repository, where you can find comprehensive solutions to various HackerRank problems implemented in SQL. Add this topic to your repo To associate your repository with the hackerrank-solutions-sql topic, visit your repo's landing page and select "manage topics. from STATION and round your answer to 4 decimal places. My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. ; Window Functions: Analyze and visualize data using window functions. txt at main · mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions This repo contains Hackerrank Easy solution for Database Management System| SQL Topics mysql station select update hackerrank insert hackerrank-solutions where orderby clause hackerrank-sql-solutions slq city-table city-entries Effective solutions to hackerrank. Topics Trending Collections Enterprise My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - HackerRank_Solutions/SQL/Basic Select/Weather Observation Station 4. Name Number Sex Effective solutions to hackerrank. Beginner Certification Merit Rewards : Write a query to find employee Ids along with names of all employees who worked in the HR department who earned a bonus of 5000 dollars or more in the last quarter. sql at main · Pavith19/HackerRank-SQL-Challenges-Solutions GitHub community articles Repositories. subject_three) < 100; You signed in with another tab or window. - Sukanya807/HackerRank_SQL_Advanced_Joins. My solutions to HackerRank's challenges in the SQL Preparation Kit - HackerRank_SQL_Solutions/Basic Join/population_census. - Review of data shows values in that column have lengths of seven. sql files with the respective solution. ; Hard: Advanced-level SQL challenges. sql at master · 07Agarg/HackerRank_Solutions Annotated solutions to HackerRank's SQL domain questions. e. The problem description can be found as comments at the top of each file. ; Pivots in SQL: Transform your data with Effective solutions to hackerrank. total number of unique hackers who made at least 1 submission each day (starting on the first day of the contest), and; find the hacker_id and name of the hacker who made maximum number of submissions You signed in with another tab or window. ; Data Modeling: Design efficient and effective database structures. AI-powered developer platform This repository contains solutions to all the HackerRank SQL Practice Questions - HackerRank-SQL-Challenges-Solutions/Advanced Select/Binary Tree Nodes. Learning: Improve my coding skills and deepen my understanding of Python and SQL. Topics Trending Collections Enterprise Enterprise platform Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Each link leads to the document containing both, the question statement and the answer, written in MS SQL Server (except for two short problems that were written in GitHub is where people build software. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. - HackerRank-SQL/Occupations. AI-powered developer platform Julia conducted a 15 days of learning SQL contest. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges. AI-powered developer platform Available add-ons This respository contains the solutions to the SQL questions on HackerRank based on Advanced Joins. Write a query to print. sql. Sign in Product GitHub Copilot. Contribute to vrushalird/HackerRank-SQL-Solutions development by creating an account on GitHub. AI-powered developer platform 317 efficient solutions to HackerRank problems. 317 efficient solutions to HackerRank problems. These folders contain solutions for all easy, medium and difficult challenges executed on MySQL environment 📂 HackerRank SQL code challenges solutions. This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. Order your output by ascending company_code. HackerRank-SQL-Basic -Certification test code - solution - country codes concatenated with their phone numbers- Solution Already have an account? A solution to HackerRank's SQL challenge. Contributions are what makes the open-source community such an amazing place to learn, inspire, and create. SQL Solutions: A collection of SQL queries that solve various database-related problems on HackerRank. These folders contain solutions for easy, medium, and difficult challenges executed on an MS SQL environment. Reload to refresh your session. These solutions showcase different SQL techniques and concepts. Feel free to use, share, and improve upon it! 🚀 Level up your SQL skills with these HackerRank challenges and become a coding master! 🚀 Effective solutions to hackerrank. - Know thy self joins as they are occasionally handy /*The function SIGN returns the sign for the numeric expression. Write better code with AI Security GitHub community articles Repositories. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges. Goals. Advanced Security. - LinconDash/Hackerrank-SQL-Solutions Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. My solutions to HackerRank challenges. " Learn more This repository contains all the solutions to the SQL questions listed in the Hackerrank platform , can be used by coders for reference purpose. This repository contains my SQL solutions to HackerRank challenges, organized by difficulty level: Easy, Medium, and Hard. If there is more than one project that have the same number of completion days, then order by the start date of the project. Each solution includes a brief explanation of the problem and my approach to solving it. The start date of the contest was March 01, 2016 and the end date was March 15, 2016. - All-HackerRank-SQL-Challenges-Solutions/README. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions. GitHub is where people build software. Write better code with AI Security GitHub community This repository contains my solutions to all SQL challenges on HackerRank. Output one of the following for Contribute to sword-jin/HackerRank-Solution development by creating an account on GitHub. Each solution is designed to demonstrate strong analytical and query-writing skills. sql at master · raleighlittles/HackerRank-SQL Welcome to my HackerRank SQL Solutions repository! This repository contains my solutions to 58 SQL problems from HackerRank. Contribute to dkeitley/sql-hackerrank development by creating an account on GitHub. CodeRankGPT helps you solve HackerRank coding problems during your coding interview. Each solution is written in structured query language (SQL), showcasing my proficiency across various levels of difficulty, from basic queries to advanced topics like joins, aggregations, and window functions. Latest commit Hackerrank contains 58 SQL based problems for interview practice, as i go through these will keep a solution bank here categorised into the three difficulties (basic, intermediate, advanced) All my solutions for the SQL challenges on Hackerrank. It returns a value of Solution - for sigma less than 3000 for "Number" column we have "2" rows, Question - 6 Consider the following data table named Student. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering various aspects of SQL including The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges. AI-powered developer platform A tag already exists with the provided branch name. SELECT a. ; Indexing: Explore the 317 efficient solutions to HackerRank problems. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. This repository contains solutions for This repository contains solutions to various SQL challenges and problems solved on HackerRank. SQL solutions to HackerRank SQL challenges. Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. Blame. -and-algorithms hackerrank-sql hackerrank-problem-solutions hackerrank-practice hackerrank-problem-solving hackerrank-solutions-github hackerrank-all-solutions algorithms-and-data-structures-30-days-of-code hackerrank-solutions-for-sql This repo contains notes on SQL and PostgreSQL. Write a query to find the node type of Binary Tree ordered by the value of the node. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. This repo contains notes on SQL and PostgreSQL. Generate the following two result sets: Query an alphabetically ordered list of all names in OCCUPATIONS, immediately followed by the first letter of each profession as a parenthetical (i. 1-revising-aggregations-the-count-function. TOPICS: Basic Select; Advanced Select; Aggregation; Basic Join; Advanced Join; Alternative Queries; SQL solutions are coded using MySQL Annotated solutions to HackerRank's SQL domain questions. For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). Note: The tables may contain duplicate records You signed in with another tab or window. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in Solutions to the SQL HackerRank challenges. This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. roll_number = b. Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. This collection provides solutions to the HackerRank SQL Certification Test problems. The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. Whether you are a beginner or an experienced coder, this repository aims to provide clear and efficient solutions to help you improve your problem-solving skills. solution to HackerRank sql exercise. Contribute to sword-jin/HackerRank-Solution development by creating an account on GitHub. :+1: HackerRank Solution. Efficient solutions to HackerRank SQL problems This repository consists of all the SQL Solutions as of 10th April 2020. These challenges cover a wide range of programming topics and are designed to assess and validate your coding skills. - LinconDash/Hackerrank-SQL-Solutions Solutions to Hackerrank SQL Problems. Each solution is designed to demonstrate various SQL techniques Find all the solutions of HackerRank SQL problems in a systematic and structured way. Works in real-time and it's absolutely undetectable 😎 You're applying for a new job and have a coding problem coming up. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Learn about basic MySQL and My solutions to various HackerRank SQL problems using MySQL - shanuhalli/MySQL-Basics-to-HackerRank. Query Optimization: Optimize your queries for better performance. GitHub Gist: instantly share code, notes, and snippets. 🎆🎉 Important points about this Repository!!!!! 🎉🎆 . The repository contains 6 folders. /* You are given a table, BST, containing two columns: N and P, where N represents the value of a node in Binary Tree, and P is the parent of N. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. The solutions of all SQL hackerrank challenges using MySQL environment - HackerRank-SQL-Challenges-Solutions/Basic Join/Challenges. zllk obcri hosxuhzqx neqy kqimb dtm nrhjyi vbovdw rqnr dnzqo