Hackerrank sql solutions github. Enterprises Small and medium teams Startups By use case.

Hackerrank sql solutions github These solutions showcase different SQL techniques and concepts. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. Feel free to explore and use the solutions as a reference for you - Hackerrank-Sql My solutions to SQL challenges on Hacker Rank. Query Optimization: Optimize your queries for better performance. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. 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. name from student_information a inner join examination_marks b on a. - jaquezux/SQL-hackerrank-solutions. Write better code with AI Security GitHub community This repository contains my solutions to all SQL challenges on HackerRank. roll_number = b. This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions. You switched accounts on another tab or window. Write better code with AI Security GitHub community articles Repositories. Contribute to incredibleiti/Hackerrank-SQL-Solutions development by creating an account on GitHub. Learn SQL queries, aggregations, joins, subqueries and more with examples and explanations. -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. /* 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. These folders contain solutions for easy, medium, and difficult challenges executed on an MS SQL environment. GitHub community articles Repositories. Works in real-time and it's absolutely undetectable ๐Ÿ˜Ž You're applying for a new job and have a coding problem coming up. Contribute to KursadKalender/HackerRank-SQL-Challenges-Solutions- development by creating an account on GitHub. 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. . GitHub Gist: instantly share code, notes, and snippets. Contribute to vivekshah20/hackerrank-solutions development by creating an account on GitHub. " Learn more Welcome to my collection of HackerRank SQL challenge solutions! ๐Ÿฅท This repository showcases my optimized and efficient SQL queries for various problem-solving scenarios. - All-HackerRank-SQL-Challenges-Solutions/README. - 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. Contribute to dkeitley/sql-hackerrank development by creating an account on GitHub. ; Indexing: Explore the power of indexing for faster data retrieval. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Blame. This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. roll_number group by b. Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions. Name Number Sex Effective solutions to hackerrank. ; Indexing: Explore the 317 efficient solutions to HackerRank problems. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. 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. These folders contain solutions for all easy, medium and difficult challenges executed on MySQL environment ๐Ÿ“‚ HackerRank SQL code challenges solutions. Crack your coding interview and get hired. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. AI-powered developer platform Available add-ons. This project is open-source and available under the MIT License. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Enterprise This repository contains My Solutions of SQL challenges on HackerRank and you can see multiple solutions for the same challenge. Contribute to sword-jin/HackerRank-Solution development by creating an account on GitHub. from STATION and round your answer to 4 decimal places. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. - HackerRank-SQL/Occupations. 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. 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. Skip to content. sql files with the respective solution. 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. AI-powered developer platform Welcome to the HackerRank Solutions repository, where you can find comprehensive solutions to various HackerRank problems implemented in SQL. 317 efficient solutions to HackerRank problems. 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. 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. Any contributions you make are greatly appreciated. CodeRankGPT helps you solve HackerRank coding problems during your coding interview. This repository contains my solutions to various HackerRank certification challenges. ๐ŸŽ†๐ŸŽ‰ Important points about this Repository!!!!! ๐ŸŽ‰๐ŸŽ† . 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. - Review of data shows values in that column have lengths of seven. roll_number having sum(b. This repo contains notes on SQL and PostgreSQL. e. Advanced Security. Contribute to vrushalird/HackerRank-SQL-Solutions development by creating an account on GitHub. Contributions are what makes the open-source community such an amazing place to learn, inspire, and create. My solutions to HackerRank challenges. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions. Each solution is designed to demonstrate strong analytical and query-writing skills. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. The repository contains 4 folders. sql. AI-powered developer platform You signed in with another tab or window. My solutions to SQL challenges on Hacker Rank. - Sukanya807/HackerRank_SQL_Advanced_Joins. SQL solutions to HackerRank SQL challenges. Learning: Improve my coding skills and deepen my understanding of Python and SQL. This collection provides solutions to the HackerRank SQL Certification Test problems. Query the number of ocurrences of each occupation in OCCUPATIONS. 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. SQL Solutions: A collection of SQL queries that solve various database-related problems on HackerRank. ; Window Functions: Analyze and visualize data using window functions. These challenges cover a wide range of programming topics and are designed to assess and validate your coding skills. Navigation Menu Toggle navigation. AI-powered developer platform Available add A collection of solutions to HackerRank SQL challenges, categorized by difficulty and topic. Topics Trending Collections Enterprise Enterprise platform. " Learn more In this repository you will find my answers to the SQL challenges proposed in HackerRank, from basic to advanced level. 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. 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. master This repository contains my solutions to various HackerRank certification challenges. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Student_ Advisor_SQL. " 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. Topics Trending These solutions cover a wide range of topics including algorithms, data structures, and more. com practice problems using Python 3, ะก++ and Oracle SQL โšก 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 ๐Ÿ“œ License. ; Medium: Intermediate-level SQL challenges. Contribute to rabestro/hackerrank-sql development by creating an account on GitHub. This repository contains my SQL solutions to HackerRank challenges, organized by difficulty level: Easy, Medium, and Hard. Solutions for Hackerrank SQL problems. 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. ; Hard: Advanced-level SQL challenges. - Know thy self joins as they are occasionally handy /*The function SIGN returns the sign for the numeric expression. " 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. - rewyekha/HackerRank-solutions-SQL GitHub community articles Repositories. ; Data Modeling: Design efficient and effective database structures. ; Advanced: Expert-level problems and more complex queries. :+1: HackerRank Solution. sql at main · Surabhi195/HackerRank-SQL-Challenges-Solutions GitHub community articles Repositories. Output one of the following for Contribute to sword-jin/HackerRank-Solution development by creating an account on GitHub. About. Topics Trending Collections Enterprise Enterprise platform Solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐ŸŽ“. 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. 170+ solutions to Hackerrank. 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. 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. AI-powered developer platform This repository contains solutions to all the HackerRank SQL Practice Questions - HackerRank-SQL-Challenges-Solutions/Advanced Select/Binary Tree Nodes. -- to buy each non-evil wand of high power and age. -- 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. AI-powered developer platform 317 efficient solutions to HackerRank problems. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. - 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. GitHub is where people build software. 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. Solutions to Hackerrank SQL Problems. Topics Trending Collections Enterprise My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - HackerRank_Solutions/SQL/Basic Select/Weather Observation Station 4. sql at master · 07Agarg/HackerRank_Solutions Annotated solutions to HackerRank's SQL domain questions. Order your output by ascending company_code. 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. Each solution includes a brief explanation of the problem and my approach to solving it. sql at master · IhorVodko/Hackerrank_solutions 317 efficient solutions to HackerRank problems. This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. solution to HackerRank sql exercise. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. The start date of the contest was March 01, 2016 and the end date was March 15, 2016. 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. Contribute to vinibrsl/hackerrank-sql development by creating an account on GitHub. Write a query to find the node type of Binary Tree ordered by the value of the node. 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. : enclosed in parentheses). For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). roll_number, a. - LinconDash/Hackerrank-SQL-Solutions Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions You signed in with another tab or window. md All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. Topics You signed in with another tab or window. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. The problem description can be found as comments at the top of each file. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding This repository contains all 58 solutions to the HackerRank SQL Practice Questions. 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. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Solutions By company size. 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. 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. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions HackerRank concepts & solutions. -- If more than one wand has same power, sort The solutions of all SQL hackerrank challenges using MySQL environment. AI-powered developer platform Solutions to the SQL HackerRank challenges. If there is more than one project that have the same number of completion days, then order by the start date of the project. You signed out in another tab or window. 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. 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. HackerRank SQL exercises and solutions. Contains solutions of the sql queries of HackerRank About. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. - LinconDash/Hackerrank-SQL-Solutions Solutions to Hackerrank SQL Problems. Feel free to use, share, and improve upon it! ๐Ÿš€ Level up your SQL skills with these HackerRank challenges and become a coding master! ๐Ÿš€ Effective solutions to hackerrank. AI-powered developer platform HackerRank concepts & solutions. Enterprises Small and medium teams Startups By use case. " Learn more 317 efficient solutions to HackerRank problems. 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. sql at main · Pavith19/HackerRank-SQL-Challenges-Solutions GitHub community articles Repositories. My solutions to HackerRank's challenges in the SQL Preparation Kit - HackerRank_SQL_Solutions/Basic Join/population_census. " Learn more Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐ŸŽ“. Contribute to christinasam/hackerrank-challenge-solutions development by creating an account on GitHub. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/SQL Project Planning. 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. ; Each folder contains . Solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐ŸŽ“. Note: The tables may contain duplicate records You signed in with another tab or window. Solutions of SQL HackerRank Challenges. Contribute to iancarson/HackerRank_Sql_Solutions. Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. Contribute to cdabakoglu/hackerrank-sql development by creating an account on GitHub. These solutions can be used as a reference for other learners or as a way to practice and improve SQL skills. 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. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Student_ Analysis_SQL. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Solutions of SQL Challenges on HackerRank. AI-powered developer This repository contains my solutions to all SQL challenges on HackerRank. The repository contains 6 folders. 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. The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. 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. This repository contains solutions for This repository contains solutions to various SQL challenges and problems solved on HackerRank. 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. . 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. Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. 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 yonice7/hackerrank-sql-solutions development by creating an account on GitHub. Write a query to print. Each solution is designed to demonstrate various SQL techniques Find all the solutions of HackerRank SQL problems in a systematic and structured way. AI-powered developer platform Available add-ons This respository contains the solutions to the SQL questions on HackerRank based on Advanced Joins. Copy path. txt at main · mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions GitHub is where people build software. subject_one + b. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Reload to refresh your session. Each problem is solved using SQL queries, and the solutions are organized for easy reference. AI-powered developer platform Julia conducted a 15 days of learning SQL contest. You signed in with another tab or window. Sign in Product GitHub Copilot. 1-revising-aggregations-the-count-function. DevSecOps DevOps CI/CD View all use cases GitHub community articles Repositories. sql at main · chibui191/HackerRank_SQL_Solutions. Contribute to lpinzari/sql-psql-udy development by creating an account on GitHub. Listed below are the questions available in this repository. This repository contains my solutions to all SQL challenges on HackerRank. SELECT a. subject_three) < 100; You signed in with another tab or window. The solutions of all SQL hackerrank challenges using MySQL environment - HackerRank-SQL-Challenges-Solutions/Basic Join/Challenges. sql at master · raleighlittles/HackerRank-SQL My solutions to Hackerrank problems. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in Solutions to the SQL HackerRank challenges. ; Pivots in SQL: Transform your data with Effective solutions to hackerrank. subject_two + b. Goals. Efficient solutions to HackerRank SQL problems This repository consists of all the SQL Solutions as of 10th April 2020. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐ŸŽ“. Topics HackerRank SQL Solutions. Effective solutions to hackerrank. qsaj fksd mhonudza bcp wvfdi aoqm fjnod gtzoxn kkcbu oozrzi