Github hackerrank sql. ; Medium: Intermediate-level SQL challenges.

Github hackerrank sql Each solution is carefully crafted and explained to help you understand the thought process and logic behind solving these problems. 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 🎓. ; Data Modeling: Design efficient and effective database structures. Each solution includes a brief explanation of the problem and my approach to solving it. Please check 1. Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. 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. - LinconDash/Hackerrank-SQL-Solutions GitHub is where people build software. Effective solutions to hackerrank. These are not the only solutions. Stars are welcome · Report a bug · Request a feature GitHub is where people build software. com/challenges/revising-the-select-query/problem. 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 🎓. 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. Customer_spending. Each problem is solved using SQL queries, and the solutions are organized for easy reference. 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. You switched accounts on another tab or window. The repository contains 6 folders. " 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. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. A median is defined as a number separating the higher half of a data set from the lower half. Exclude You signed in with another tab or window. Projects cover finance, healthcare and other sectors, and highlight my ability to analyze complex You signed in with another tab or window. My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. HackerRank/SQL/Top Competitors. subject_one + b. Crack Here are 118 public repositories matching this topic Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. This collection provides solutions to the HackerRank SQL Certification Test problems. SQL practice queries written on hackerrank. Hackerrank solved problem codes . Take a look, play and have fun with this. Resources Completely Solved HackerRank SQL Domain. 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. " Learn more. The goal of this repository is to document and share SQL queries that I have Summary: solving the SQL problems on HackerRank. 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. Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. Contribute to dkeitley/sql-hackerrank development by creating an account on GitHub. hackerrank. 📜 License. Python My solutions to HackerRank challenges. Check this blog on github. 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. 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. About. Add a description, image, and links to the hackerrank-sql-advance topic page so that developers can more easily learn about it. This repository contains solutions to Hackerrank practice problems with SQL. Updated Jun 12, 2021; imranpollob / hackerrank-sql. Contribute to Itcharles/HackerRank-SQL development by creating an account on GitHub. The WHERE clauses will use and three basic boolean operators as well as some of the most used functions. Contribute to kaneeshadawood/Hackerrank-SQL development by creating an account on GitHub. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. There are almost always multiple solutions to the same problem. Get ready to excel in SQL-related interviews with comprehensive learning materials and real-world problem-solving examples. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. You signed in with another tab or window. Topics Another way to solve this query is using the pivot function in T-SQL. 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. Topics Trending Collections Enterprise Enterprise platform. 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. 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. 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. ; Indexing: Explore the Annotated solutions to HackerRank's SQL domain questions. 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. 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. 317 efficient solutions to HackerRank problems. The following challenges use simple aggregation functions such as MIN, MAX A repository which contains solutions to all the hackerrank basic SQL solutions. It is organized into six folders, each containing my solutions for easy, medium SQL (advanced) certificate . This respository contains the solutions to the SQL questions on HackerRank based on Advanced Joins. Contribute to christinasam/hackerrank-challenge-solutions development by creating an account on GitHub. Contribute to zizanayub/Hackerrank-SQL development by creating an account on GitHub. github. Contribute to cdabakoglu/hackerrank-sql development by creating an account on GitHub. However, in the above query I have tried sticking to using standard SQL. Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. Query the number of ocurrences of each occupation in OCCUPATIONS. 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. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. 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. 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-SQL/Occupations. SQL problems and solutions. Code Issues To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. 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. 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. Write a query to print. com/Pandeydwijraj/241c20e55bfbce7ca7c71a38cb3ad833. LAT_N,4) HackerRank concepts & solutions. HackerRank SQL Solutions. This was many years ago, easy level problems, archived. Enterprise-grade security features 📂 HackerRank SQL code challenges solutions. 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. Query the median of the Northern Latitudes (LAT_N) from STATION and round your answer to 44 decimal places. - 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. Sign up Product Repository that contains my solutions for the HackerRank SQL challenges. https://www. Contribute to DipthiKrishna/Hackerrank development by creating an account on GitHub. roll_number, a. ; Advanced: Expert-level problems and more complex queries. The 8 Week SQL Challenge by Danny Ma is a series of case studies designed to help you improve your SQL skills. Contribute to viveksyngh/Hackerrank-Code development by creating an account on GitHub. Contribute to vrushalird/HackerRank-SQL-Solutions development by creating an account on GitHub. roll_number = b. It contains solutions to various SQL problems organized by topics, allowing users to enhance their SQL skills systematically. " Learn more Welcome to the HackerRank SQL Challenges Solutions repository! This repository contains my solutions to all the HackerRank SQL Practice Questions. sql & 2. Hackerrank SQL(Advanced) skills - Certified . The repository is organized as follows: Easy: Beginner-level SQL challenges. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. name from student_information a inner join examination_marks b on a. The STATION table is described as follows:. . Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Each case study presents a real-world business scenario, and you are tasked with answering a series of questions using SQL queries. 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 SQL problems on HackerRank have challenged me to improve my SQL skills and to think creatively about how to solve complex problems. The repository dedicated to solutions for Hacker-rank Database problems, solved with MySQL - hackerrank-sql-solutions/The PADS. Add a description, image, and links to the hackerrank-sql-basic topic page so that developers can more easily learn about it. P(R) represents a pattern drawn by Julia in R rows. sql at master · Shounok/hackerrank-sql-solutions I have used MySQL and MS SQL Server for the solutions. Contribute to navsing/HackerRank-SQL development by creating an account on GitHub. The start date of the contest was March 01, 2016 and the end date was March 15, 2016. Each solution is designed to demonstrate strong analytical and query-writing skills. sql oracle hackerrank-solutions hackerrank-sql Updated May 11, 2020; TSQL; rahmaahassan / HackerRank-SQLServer-Challenges Star About. sql Description: Retrieve the city with the shortest name length. where LAT_N is the northern latitude and LONG_W is the western longitude. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. Skip to content Toggle navigation. 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 . 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. AI-powered developer platform Available add-ons. sql oracle hackerrank-solutions hackerrank-sql Updated May 11, 2020; TSQL; SamuelManoj / HackerRank-Solutions-for-SQL My solutions to SQL challenges on Hacker Rank. Each solution is provided in a separate file, along with the corresponding question's name and description. GitHub is where people build software. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. js&quot;&gt;&lt;/script&gt; This repository contains solutions to various SQL challenges and problems solved on HackerRank. 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 🎓. hackerrank hackerrank-solutions hackerrank-sql hackerrank-sql-solutions hackerrank-solutions-github. SQL tasks from HackerRank site. As a programmer, I enjoy working with SQL as it allows me to extract valuable insights from large datasets. These solutions can SQL Database and Python Data Structures/Algorithms. sql files for the solutions I submitted! Python Solutions: Includes solutions to Python coding challenges, covering topics like data structures, algorithms, and more. : enclosed in parentheses). Star 2. Contribute to katehee/HackerRank-SQL-certificate development by creating an account on GitHub. - OnkarNaik1/HackerRank-SQL-Solutions GitHub community articles Repositories. roll_number having sum(b. SQL Solutions: Provides solutions to SQL challenges, focusing on query writing, database management, and optimization. Curate this topic Add this topic to your repo About. Add a description, image, and links to the hackerrank-sql-solutions-oracle topic page so that developers can more easily learn about it. Solutions for Hackerrank SQL problems. 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. master Welcome to a comprehensive collection of my HackerRank solutions in C. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. Hackerrank SQL Practice. ; Medium: Intermediate-level SQL challenges. Contribute to vinibrsl/hackerrank-sql development by creating an account on GitHub. 6: Binary Tree Nodes: Solution: We can write this query using simple case when statements. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Solutions of SQL Challenges on HackerRank. Type of Triangle; The PADS; Occupations; Binary Tree Nodes; New Companies; Type of Triangle. - 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. 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 Ghada2016/HackerRank-SQL-Top-Competitors development by creating an account on GitHub. Contribute to SomiaNasir/HackerRank-SQL development by creating an account on GitHub. You signed out in another tab or window. sql at master · IhorVodko/Hackerrank_solutions Top Competitor. Contribute to rabestro/hackerrank-sql development by creating an account on GitHub. Problems. Clone this repository at &lt;script src=&quot;https://gist. Advanced Security. Topics Trending Collections 317 efficient solutions to HackerRank 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. 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. subject_three) < 100; The following challenges all revolve around simple SELECT statements that make use of SELECT, FROM, WHERE, and ORDER BY. GitHub Gist: instantly share code, notes, and snippets. - 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. " Learn more In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. Listed below are the questions available in this repository. All Solutions in Hackerrank SQL Section. Solutions to the SQL HackerRank challenges. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. " Learn more You signed in with another tab or window. e. 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. Contribute to th45i4/hackerrank_sql development by creating an account on GitHub. " Learn more HackerRank is a widely-used platform for practicing coding problems, preparing for technical interviews, and improving algorithmic skills. 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. This repository contains my solutions to the challenges, along with some explanations and any additional resources used. More than 100 million people use GitHub to discover, fork, and contribute to over 330 million projects. 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. Output one of the following statements for each record in the table: Equilateral : It's a triangle with sides of equal length. - 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. This project is open-source and available under the MIT License. ; Hard: Advanced-level SQL challenges. Query Optimization: Optimize your queries for better performance. - qanhnn12/SQL-Hackerrank-Challenge-Solutions You signed in with another tab or window. ; You signed in with another tab or window. - 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. Samantha interviews many candidates from different colleges using coding challenges and contests. Business_expansion. GitHub community articles Repositories. Reload to refresh your session. 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. Domains solution to HackerRank sql exercise. The output column headers should be Doctor, Professor, Singer, and Actor, /*Julia conducted a days of learning SQL contest. Easy Navigation: Organized by Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Q. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. All Solutions are made in the MSSQL Syntax. - 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. 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. 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. My solutions to HackerRank challenges. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Student_ Advisor_SQL. Annotated Code: Each solution is well-commented and explained to aid understanding and learning. - 12Ruturaj/HackerRank-SQL 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 (Intermediate) Skills Certification Test 🎓. Repository that contains my solutions for the HackerRank SQL challenges. - 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. 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. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. . Solution File: shortest_city. Select round(St. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/SQL Project Planning. This Github repo showcases my SQL case studies, demonstrating proficiency in solving diverse business problems. Hacker Rank SQL Challenges. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions You signed in with another tab or window. This repository tracks my progress through the SQL course on HackerRank. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. 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. 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. roll_number group by b. If there are multiple cities with the same length, return the one that comes first alphabetically. subject_two + b. Topics Effective solutions to hackerrank. " Learn more HackerRank SQL Solutions. hspry pzqe ixhbuv nlojkx qkf rrq gooah eouhh lnihth ghl