Hackerrank sql solutions github 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. My solutions to HackerRank's challenges in the SQL Preparation Kit - HackerRank_SQL_Solutions/Basic Join/population_census. " Learn more In this repository you will find my answers to the SQL challenges proposed in HackerRank, from basic to advanced level. AI-powered developer platform Available add A collection of solutions to HackerRank SQL challenges, categorized by difficulty and topic. AI-powered developer This repository contains my solutions to all SQL challenges on HackerRank. Contains solutions of the sql queries of HackerRank About. The repository contains 6 folders. Topics Trending Collections Enterprise Enterprise platform Solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. About. 1-revising-aggregations-the-count-function. AI-powered developer platform Available add-ons. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. 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. -- to buy each non-evil wand of high power and age. 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. - 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. - LinconDash/Hackerrank-SQL-Solutions Solutions to Hackerrank SQL Problems. Solutions of SQL HackerRank Challenges. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. Contribute to vinibrsl/hackerrank-sql 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. 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 solutions can be used as a reference for other learners or as a way to practice and improve SQL skills. Sign in Product GitHub Copilot. AI-powered developer platform You signed in with another tab or window. sql files with the respective solution. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Solutions By company size. 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. DevSecOps DevOps CI/CD View all use cases GitHub community articles Repositories. HackerRank SQL exercises and solutions. -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 signed in with another tab or window. 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. 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. Contribute to vrushalird/HackerRank-SQL-Solutions development by creating an account on GitHub. 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. Topics Trending These solutions cover a wide range of topics including algorithms, data structures, and more. - jaquezux/SQL-hackerrank-solutions. development by creating an account on GitHub. sql at main · chibui191/HackerRank_SQL_Solutions. " 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. 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. 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. Each solution includes a brief explanation of the problem and my approach to solving it. com practice problems using Python 3, ะก++ and Oracle SQL โก 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 ๐ License. Enterprise This repository contains My Solutions of SQL challenges on HackerRank and you can see multiple solutions for the same challenge. The solutions of all SQL hackerrank challenges using MySQL environment - HackerRank-SQL-Challenges-Solutions/Basic Join/Challenges. The start date of the contest was March 01, 2016 and the end date was March 15, 2016. - Review of data shows values in that column have lengths of seven. name from student_information a inner join examination_marks b on a. Output one of the following for Contribute to sword-jin/HackerRank-Solution development by creating an account on GitHub. 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. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Student_ Advisor_SQL. Solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐. sql at main · Pavith19/HackerRank-SQL-Challenges-Solutions GitHub community articles Repositories. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. Contribute to KursadKalender/HackerRank-SQL-Challenges-Solutions- development by creating an account on GitHub. e. 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. from STATION and round your answer to 4 decimal places. Contribute to dkeitley/sql-hackerrank development by creating an account on GitHub. Contributions are what makes the open-source community such an amazing place to learn, inspire, and create. Contribute to vivekshah20/hackerrank-solutions development by creating an account on GitHub. Effective solutions to hackerrank. 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. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions You signed in with another tab or window. Learning: Improve my coding skills and deepen my understanding of Python and SQL. 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. If there is more than one project that have the same number of completion days, then order by the start date of the project. Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. CodeRankGPT helps you solve HackerRank coding problems during your coding interview. Enterprises Small and medium teams Startups By use case. - LinconDash/Hackerrank-SQL-Solutions Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. Topics Trending Collections Enterprise Enterprise platform. GitHub Gist: instantly share code, notes, and snippets. Advanced Security. subject_three) < 100; You signed in with another tab or window. - 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. 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. SELECT a. This repository contains my solutions to all SQL challenges on HackerRank. ; Hard: Advanced-level SQL challenges. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. 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 HackerRank concepts & solutions. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/SQL Project Planning. Topics Trending Collections Enterprise My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - HackerRank_Solutions/SQL/Basic Select/Weather Observation Station 4. Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions. Contribute to sword-jin/HackerRank-Solution development by creating an account on GitHub. Solutions for Hackerrank SQL problems. The problem description can be found as comments at the top of each file. 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. These challenges cover a wide range of programming topics and are designed to assess and validate your coding skills. 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. sql at main · Surabhi195/HackerRank-SQL-Challenges-Solutions GitHub community articles Repositories. This project is open-source and available under the MIT License. You switched accounts on another tab or window. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. Write better code with AI Security GitHub community articles Repositories. ; Pivots in SQL: Transform your data with Effective solutions to hackerrank. " Learn more Welcome to my collection of HackerRank SQL challenge solutions! ๐ฅท This repository showcases my optimized and efficient SQL queries for various problem-solving scenarios. Feel free to use, share, and improve upon it! ๐ Level up your SQL skills with these HackerRank challenges and become a coding master! ๐ Effective solutions to hackerrank. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Student_ Analysis_SQL. AI-powered developer platform This repository contains solutions to all the HackerRank SQL Practice Questions - HackerRank-SQL-Challenges-Solutions/Advanced Select/Binary Tree Nodes. 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. Each solution is designed to demonstrate strong analytical and query-writing skills. " 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. GitHub community articles Repositories. Order your output by ascending company_code. ; Advanced: Expert-level problems and more complex queries. This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. Goals. My solutions to HackerRank challenges. - All-HackerRank-SQL-Challenges-Solutions/README. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Solutions of SQL Challenges on HackerRank. AI-powered developer platform Julia conducted a 15 days of learning SQL contest. 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. 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 solutions to HackerRank SQL challenges. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions HackerRank concepts & solutions. 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. Navigation Menu Toggle navigation. Topics HackerRank SQL Solutions. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding This repository contains all 58 solutions to the HackerRank SQL Practice Questions. 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. This repo contains notes on SQL and PostgreSQL. AI-powered developer platform A tag already exists with the provided branch name. Works in real-time and it's absolutely undetectable ๐ You're applying for a new job and have a coding problem coming up. sql at master · IhorVodko/Hackerrank_solutions 317 efficient solutions to HackerRank problems. AI-powered developer platform Available add-ons This respository contains the solutions to the SQL questions on HackerRank based on Advanced Joins. My solutions to SQL challenges on Hacker Rank. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions. :+1: HackerRank Solution. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. - HackerRank-SQL/Occupations. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. . : enclosed in parentheses). This repository contains my SQL solutions to HackerRank challenges, organized by difficulty level: Easy, Medium, and Hard. Each problem is solved using SQL queries, and the solutions are organized for easy reference. The repository contains 4 folders. 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. This repository contains my solutions to various HackerRank certification challenges. Blame. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐. Skip to content. My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. 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. Contribute to christinasam/hackerrank-challenge-solutions development by creating an account on GitHub. 317 efficient solutions to HackerRank problems. The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. This repository contains solutions for This repository contains solutions to various SQL challenges and problems solved on HackerRank. Feel free to explore and use the solutions as a reference for you - Hackerrank-Sql My solutions to SQL challenges on Hacker Rank. " Learn more 317 efficient solutions to HackerRank problems. Write better code with AI Security GitHub community This repository contains my solutions to all SQL challenges on HackerRank. Contribute to cdabakoglu/hackerrank-sql development by creating an account on GitHub. Solutions to Hackerrank SQL Problems. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. AI-powered developer platform 317 efficient solutions to HackerRank problems. Listed below are the questions available in this repository. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. Contribute to lpinzari/sql-psql-udy development by creating an account on GitHub. Contribute to rabestro/hackerrank-sql development by creating an account on GitHub. roll_number, a. Learn SQL queries, aggregations, joins, subqueries and more with examples and explanations. . ; Indexing: Explore the 317 efficient solutions to HackerRank problems. master This repository contains my solutions to various HackerRank certification challenges. You signed out in another tab or window. Contribute to incredibleiti/Hackerrank-SQL-Solutions development by creating an account on GitHub. Topics You signed in with another tab or window. This collection provides solutions to the HackerRank SQL Certification Test problems. AI-powered developer platform Solutions to the SQL HackerRank challenges. AI-powered developer platform Welcome to the HackerRank Solutions repository, where you can find comprehensive solutions to various HackerRank problems implemented in SQL. sql at master · raleighlittles/HackerRank-SQL Welcome to my HackerRank SQL Solutions repository! This repository contains my solutions to 58 SQL problems from HackerRank. 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. These folders contain solutions for easy, medium, and difficult challenges executed on an MS SQL environment. txt at main · mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions GitHub is where people build software. Name Number Sex Effective solutions to hackerrank. ; Indexing: Explore the power of indexing for faster data retrieval. These solutions showcase different SQL techniques and concepts. GitHub is where people build software. Any contributions you make are greatly appreciated. ; Window Functions: Analyze and visualize data using window functions. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. - Know thy self joins as they are occasionally handy /*The function SIGN returns the sign for the numeric expression. Copy path. 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. 170+ solutions to Hackerrank. Note: The tables may contain duplicate records You signed in with another tab or window. ; Medium: Intermediate-level SQL challenges. Efficient solutions to HackerRank SQL problems This repository consists of all the SQL Solutions as of 10th April 2020. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. subject_two + b. " Learn more Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐. ; Data Modeling: Design efficient and effective database structures. Query Optimization: Optimize your queries for better performance. This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. Contribute to iancarson/HackerRank_Sql_Solutions. Write a query to find the node type of Binary Tree ordered by the value of the node. Reload to refresh your session. subject_one + b. -- If more than one wand has same power, sort The solutions of all SQL hackerrank challenges using MySQL environment. This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions. - Sukanya807/HackerRank_SQL_Advanced_Joins. 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. - rewyekha/HackerRank-solutions-SQL GitHub community articles Repositories. solution to HackerRank sql exercise. Crack your coding interview and get hired. 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. -- 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. SQL Solutions: A collection of SQL queries that solve various database-related problems on HackerRank. Contribute to yonice7/hackerrank-sql-solutions development by creating an account on GitHub. md All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. sql at master · 07Agarg/HackerRank_Solutions Annotated solutions to HackerRank's SQL domain questions. roll_number having sum(b. sql at master · raleighlittles/HackerRank-SQL My solutions to Hackerrank problems. /* 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. 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. ; Each folder contains . These folders contain solutions for all easy, medium and difficult challenges executed on MySQL environment ๐ HackerRank SQL code challenges solutions. Query the number of ocurrences of each occupation in OCCUPATIONS. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. ๐๐ Important points about this Repository!!!!! ๐๐ . Write a query to print. This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. 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. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. 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. roll_number = b. 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. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in Solutions to the SQL HackerRank challenges. roll_number group by b. xsexj dlrr ckpld hpods cqof zvxf tapti vmwx iqrg hzcclm