Github hackerrank sql The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. Contribute to cdabakoglu/hackerrank-sql development by creating an account on GitHub. 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. Each case study presents a real-world business scenario, and you are tasked with answering a series of questions using SQL queries. com/Pandeydwijraj/241c20e55bfbce7ca7c71a38cb3ad833. . The WHERE clauses will use and three basic boolean operators as well as some of the most used functions. AI-powered developer platform Available add-ons. subject_three) < 100; The following challenges all revolve around simple SELECT statements that make use of SELECT, FROM, WHERE, and ORDER BY. By detailing sales figures per city and identifying customers who spent 25% or less than Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. subject_two + b. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. - HackerRank-SQL/Occupations. SQL Solutions: Provides solutions to SQL challenges, focusing on query writing, database management, and optimization. - ScottySchmidt/HackerRank Welcome to my collection of HackerRank SQL challenge solutions! 🥷 This repository showcases my optimized and efficient SQL queries for various problem-solving scenarios. Query the median of the Northern Latitudes (LAT_N) from STATION and round your answer to 44 decimal places. Easy Navigation: Organized by Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. These solutions can SQL Database and Python Data Structures/Algorithms. ; Indexing: Explore the Annotated solutions to HackerRank's SQL domain questions. Unions-This competency includes using unions to display multiple sets of information Add this topic to your repo To associate your repository with the hackerrank-sql-certificate topic, visit your repo's landing page and select "manage topics. Code Issues To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. Effective solutions to hackerrank. P(R) represents a pattern drawn by Julia in R rows. Get ready to excel in SQL-related interviews with comprehensive learning materials and real-world problem-solving examples. Beginner Certification Merit Rewards : Write a query to find employee Ids along with names of all employees who worked in the HR Effective solutions to hackerrank. Take a look, play and have fun with this. : enclosed in parentheses). roll_number = b. Reload to refresh your session. Contribute to vrushalird/HackerRank-SQL-Solutions development by creating an account on GitHub. Contribute to vinibrsl/hackerrank-sql development by creating an account on GitHub. sql Description: Retrieve the city with the shortest name length. Solutions for Hackerrank SQL problems. " Learn more HackerRank is a widely-used platform for practicing coding problems, preparing for technical interviews, and improving algorithmic skills. 6: Binary Tree Nodes: Solution: We can write this query using simple case when statements. This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. Business_expansion. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Welcome to my HackerRank SQL Solutions repository! This repository contains my solutions to 58 SQL problems from HackerRank. - 12Ruturaj/HackerRank-SQL The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. It contains solutions to various SQL problems organized by topics, allowing users to enhance their SQL skills systematically. Hackerrank-SQL-Solutions 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. This Github repo showcases my SQL case studies, demonstrating proficiency in solving diverse business problems. github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio Shortest City: Query the shortest city name(s) from the STATION table. Contribute to th45i4/hackerrank_sql development by creating an account on GitHub. The repository is organized as follows: Easy: Beginner-level SQL challenges. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Contribute to navsing/HackerRank-SQL development by creating an account on GitHub. This respository contains the solutions to the SQL questions on HackerRank based on Advanced Joins. For example, if there are three records in the table with CITY values 'New York', 'New York', 'Bengalaru', there are 2 different city SELECT a. The goal of this repository is to document and share SQL queries that I have Summary: solving the SQL problems on HackerRank. " Learn more Welcome to the HackerRank SQL Challenges Solutions repository! This repository contains my solutions to all the HackerRank SQL Practice Questions. Enterprise-grade security features 📂 HackerRank SQL code challenges solutions. Check this blog on github. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. name from student_information a inner join examination_marks b on a. Curate this topic Add this topic to your repo About. All HackerRank solutions for Python, 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 solution includes a brief explanation of the problem and my approach to solving it. Samantha interviews many candidates from different colleges using coding challenges and contests. The STATION table is described as follows:. Domains solution to HackerRank sql exercise. Star 2. Repository that contains my solutions for the HackerRank SQL challenges. 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. Isosceles : It's a 317 efficient solutions to HackerRank problems. Q. " Learn more HackerRank SQL Solutions. where LAT_N is the northern latitude and LONG_W is the western Complex joins-This competency includes using INNER, LEFT, RIGHT, and FULL joins on multiple tables and using joins for many-to-many relationships. Skip to content Toggle navigation. github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. The following pattern represents P(5): Write a query to print the pattern P(20 In this repository, you will find my solutions to various coding challenges and problems from HackerRank. https://www. All Solutions are made in the MSSQL Syntax. The start date of the contest was March 01, 2016 and the end date was March 15, 2016. subject_one + b. where LAT_N is the northern latitude and LONG_W is the western longitude. All SQL solutions for HackerRank's easy, medium, and hard challenges, executed on MS SQL and MySQL environments, compiled with helpful Resources & references related to the challenges. You switched accounts on another tab or window. - qanhnn12/SQL-Hackerrank-Challenge-Solutions You signed in with another tab or window. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Solutions of SQL Challenges on HackerRank. A median is defined as a number separating the higher half of a data set from the lower half. Contribute to viveksyngh/Hackerrank-Code development by creating an account on GitHub. Hackerrank SQL Practice. These solutions can 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 is accompanied by comments for clarity, showcasing various approaches and optimizations. Resources Completely Solved HackerRank SQL Domain. Type of Triangle; The PADS; Occupations; Binary Tree Nodes; New Companies; Type of Triangle. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Contains solutions for all Hackerrank Sql problems - Hackerrank-Sql-solutions/Basic Join -- Challenges at main · vmlrj02/Hackerrank-Sql-solutions. SQL problems and solutions. Contribute to rabestro/hackerrank-sql development by creating an account on GitHub. The repository contains 6 folders. 317 efficient solutions to HackerRank problems. Contribute to katehee/HackerRank-SQL-certificate development by creating an account on GitHub. " Learn more 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 Take your SQL expertise to the next level with advanced topics. These folders contain solutions for all easy, medium and difficult challenges executed github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio hackerrank-sql Julia conducted a 15 days of learning SQL contest. - LinconDash/Hackerrank-SQL-Solutions GitHub is where people build software. Advanced Security. hackerrank solutions github | hackerrank all solutions | hackerrank solutions for c | hackerrank data structures | hackerrank solutions algorithms | hackerrank coding challenge | hackerrank algorithms solutions github | hackerrank algorithms solutions github Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Contribute to Ghada2016/HackerRank-SQL-Top-Competitors development by creating an account on GitHub. js"></script> This repository contains solutions to various SQL challenges and problems solved on HackerRank. master Welcome to a comprehensive collection of my HackerRank solutions in C. roll_number group by b. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Problems. The platform covers a diverse range of problems that span various difficulty levels and domains, making it an excellent resource for both beginners and experienced programmers. e. About. There are almost always multiple solutions to the same problem. " Learn more. This repository tracks my progress through the SQL course on HackerRank. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions You signed in with another tab or window. Add a description, image, and links to the hackerrank-sql-solutions-oracle topic page so that developers can more easily learn about it. All Solutions in Hackerrank SQL Section. Contribute to Itcharles/HackerRank-SQL development by creating an account on GitHub. HackerRank MySQL challenge solution in the MySQL Advance Track - SQL/HackerRank Advance SQL at main · hammad-ali-shah/SQL 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. 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 Add this topic to your repo To associate your repository with the hackerrank-sql-certificate topic, visit your repo's landing page and select "manage topics. This repository contains solutions to Hackerrank practice problems with SQL. 📜 License. Customer_spending. GitHub is where people build software. github. ; Medium: Intermediate-level SQL challenges. sql oracle hackerrank-solutions hackerrank-sql Updated May 11, 2020; TSQL; rahmaahassan / HackerRank-SQLServer-Challenges Star About. Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. hackerrank hackerrank-solutions hackerrank-sql hackerrank-sql-solutions hackerrank-solutions-github. Contribute to christinasam/hackerrank-challenge-solutions development by creating an account on GitHub. Solution File: shortest_city. Projects cover finance, healthcare and other sectors, and highlight my ability to analyze complex You signed in with another tab or window. Hacker Rank SQL Challenges. " Learn more In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. Add this topic to your repo To associate your repository with the hackerrank-sql-intermediate topic, visit your repo's landing page and select "manage topics. where n not in (select n from root) and n not in (select distinct p from bst where p is not null)), You signed in with another tab or window. SQL tasks from HackerRank site. - dikshyant3/Hackerrank-sql-solutions HackerRank MySQL challenge solution in the MySQL Advance Track - GitHub - hammad-ali-shah/SQL: HackerRank MySQL challenge solution in the MySQL Advance Track GitHub is where people build software. Write a query to print total number of unique hackers who made at least submission each day (starting on the first day of the contest), This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . Feel free to use, share, and improve upon it! 🚀 Level up your SQL skills with these HackerRank challenges and become a coding master! 🚀 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. This was many years ago, easy level problems, archived. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions A collection of solutions to HackerRank SQL challenges, categorized by difficulty and topic. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. Each solution is designed to demonstrate strong analytical and query-writing skills. Output one of the following statements for each record in the table: Equilateral : It's a triangle with sides of equal length. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Topics Effective solutions to hackerrank. HackerRank/SQL/Top Competitors. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. sql files for the solutions I submitted! Python Solutions: Includes solutions to Python coding challenges, covering topics like data structures, algorithms, and more. SQL practice queries written on hackerrank. - MayankOps/HackerRank-SQL-Certification-Test-Solutions Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. ; You signed in with another tab or window. Contribute to dkeitley/sql-hackerrank development by creating an account on GitHub. Annotated Code: Each solution is well-commented and explained to aid understanding and learning. ; Advanced: Expert-level problems and more complex queries. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/SQL Project Planning. The SQL problems on HackerRank have challenged me to improve my SQL skills and to think creatively about how to solve complex problems. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering Contribute to VIPULPAHUJA/HackerRank-Sql-Solutions development by creating an account on GitHub. The repository dedicated to solutions for Hacker-rank Database problems, solved with MySQL - hackerrank-sql-solutions/The PADS. ; Hard: Advanced-level SQL challenges. Exclude You signed in with another tab or window. Crack Here are 118 public repositories matching this topic Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Updated Jun 12, 2021; imranpollob / hackerrank-sql. The 8 Week SQL Challenge by Danny Ma is a series of case studies designed to help you improve your SQL skills. Contribute to kaneeshadawood/Hackerrank-SQL development by creating an account on GitHub. GitHub Gist: instantly share code, notes, and snippets. Add this topic to your repo To associate your repository with the hackerrank-intermediate-sql topic, visit your repo's landing page and select "manage topics. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. com/challenges/revising-the-select-query/problem. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. hackerrank. Problem -> URL 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 community articles Repositories. You signed out in another tab or window. Query the number of ocurrences of each occupation in OCCUPATIONS. My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. txt at main · mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions Contribute to vinhtranchau/hackerrank-sql-advanced-cert development by creating an account on GitHub. - OnkarNaik1/HackerRank-SQL-Solutions GitHub community articles Repositories. Select round(St. Each solution is provided in a separate file, along with the corresponding question's name and description. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. sql at master · raleighlittles/HackerRank-SQL You signed in with another tab or window. Curate this topic Add this topic to your repo This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. Each solution is carefully crafted and explained to help you understand the thought process and logic behind solving these problems. However, in the above query I have tried sticking to using standard SQL. " Learn more You signed in with another tab or window. sql oracle hackerrank-solutions hackerrank-sql Updated May 11, 2020; TSQL; SamuelManoj / HackerRank-Solutions-for-SQL My solutions to SQL challenges on Hacker Rank. roll_number, a. LAT_N,4) HackerRank concepts & solutions. My solutions to HackerRank challenges. Stars are welcome · Report a bug · Request a feature GitHub is where people build software. Python My solutions to HackerRank challenges. As a programmer, I enjoy working with SQL as it allows me to extract valuable insights from large datasets. It is organized into six folders, each containing my solutions for easy, medium SQL (advanced) certificate . Curate this topic Add this topic to your repo -- 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. sql & 2. These are not the only solutions. Topics Another way to solve this query is using the pivot function in T-SQL. I solved these problems to In this repository you will find my answers to the SQL challenges proposed in HackerRank, from basic to advanced level. This repository contains my solutions to the challenges, along with some explanations and any additional resources used. The following challenges use simple aggregation functions such as MIN, MAX A repository which contains solutions to all the hackerrank basic SQL solutions. Clone this repository at <script src="https://gist. Topics Trending Collections Enterprise Enterprise platform. More than 100 million people use GitHub to discover, fork, and contribute to over 330 million projects. roll_number having sum(b. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable 😎 You signed in with another tab or window. If there are multiple cities with the same length, return the one that comes first alphabetically. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution HackerRank is a popular platform for practicing coding skills, and this repository is dedicated to solving SQL questions available on HackerRank. ; Data Modeling: Design efficient and effective database structures. The output column headers should be Doctor, Professor, Singer, and Actor, /*Julia conducted a days of learning SQL contest. Contribute to zizanayub/Hackerrank-SQL development by creating an account on GitHub. Listed below are the questions available in this repository. with cte1 as (select D, row_number() over() as row_num from (select case when occupation like 'Doctor' then name end as D from occupations group by D order by D) as F where D is not null), Level up your SQL skills for interviews! Explore a curated collection of SQL resources, interview questions, answers, PDFs, YouTube channels, websites, and Hackerrank solutions. . Hackerrank solved problem codes . Write a query to print. Hackerrank SQL(Advanced) skills - Certified . Topics Trending Collections 317 efficient solutions to HackerRank problems. sql at master · Shounok/hackerrank-sql-solutions I have used MySQL and MS SQL Server for the solutions. This project is open-source and available under the MIT License. Sign up Product Repository that contains my solutions for the HackerRank SQL challenges. Add a description, image, and links to the hackerrank-sql-basic topic page so that developers can more easily learn about it. Contribute to SomiaNasir/HackerRank-SQL development by creating an account on GitHub. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Student_ Advisor_SQL. This collection provides solutions to the HackerRank SQL Certification Test problems. Please check 1. Solutions to the SQL HackerRank challenges. You signed in with another tab or window. Query Optimization: Optimize your queries for better performance. For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). 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. Write a query to print the contest_id, hacker_id, name, and the sums of total_submissions, total_accepted_submissions, total_views, and total_unique_views for each contest sorted by contest_id. HackerRank SQL Solutions. Add a description, image, and links to the hackerrank-sql-advance topic page so that developers can more easily learn about it. Each problem is solved using SQL queries, and the solutions are organized for easy reference. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. sql at master · IhorVodko/Hackerrank_solutions Top Competitor. Contribute to DipthiKrishna/Hackerrank development by creating an account on GitHub. zfg doqjj qwvbqt xtwv zsj qjsl npm oqikpp cydgq vstna

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