Hackerrank sql github This repository contains my SQL solutions to problems from platforms like HackerRank. AI-powered developer platform Available add-ons. Level up your SQL skills for interviews! Explore a curated collection of SQL resources, interview questions, answers, PDFs, YouTube channels, websites, and Hackerrank solutions. * Key point to notice here is that the hackers who got a full score are those whose score matches the score associated with the difficulty of that submission. -- If no conditions are true, it will return the value in the ELSE clause. Updated Oct 11, 2023; VIIVIIIIX / sql-solutions-hackerrank. 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 repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Welcome to a comprehensive collection of my HackerRank solutions in C. Code are matching key columns Samantha was tasked with calculating the average monthlysalaries for all employees in the EMPLOYEES table, but did not realize her keyboard's 0 key was broken until after completing the calculation. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. This respository contains the solutions to the SQL questions on HackerRank based on Advanced Joins. Automate any workflow Security. 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 You signed in with another tab or window. https://www. Save Pandeydwijraj/241c20e55bfbce7ca7c71a38cb3ad833 to your computer and use it in GitHub Desktop. Toggle navigation. . Contribute to christinasam/hackerrank-challenge-solutions development by creating an account on GitHub. The solutions are This repository contains solutions for Hacker Rank SQL problems. Topics Trending Collections Enterprise Enterprise platform. 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. Write a query to print the contest_id, hacker_id, name, and the sums of total_submissions, total_accepted_submissions, total_views, 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-certificate hackerrank-sql-solution Updated Aug 24, 2022; HackerRankGPT / hackerrank-solutions Star 57. sql. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. Contribute to dkeitley/sql-hackerrank development by creating an account on GitHub. Welcome to the HackerRank Solutions repository, where you can find comprehensive solutions to various HackerRank problems implemented in SQL. Solutions to the SQL HackerRank challenges. Contribute to ugaliguy/HackerRank development by creating an account on GitHub. The repository contains 6 folders. " Learn more --Samantha interviews many candidates from different colleges using coding challenges and contests. --Harry Potter and his friends are at Ollivander's with Ron, finally replacing Charlie's old broken wand. select * from (select distinct city My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - HackerRank_Solutions/SQL/Basic Select/Weather Observation Station 4. . It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Automate any workflow Packages. com) sql hackerrank hackerrank-solutions hackerrank-challenges hackerrank-sql Updated Jun 23, 2020; More than 100 million people use GitHub to discover, fork, and contribute to over 330 million projects. 1 Revising the Select This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. I have taken HackerRank test on 9th Oct 2022. Q. It’s a collection of queries I’ve written to practice and improve my SQL skills. Certificate can be viewed here. Friends contains two columns: ID and Friend_ID (ID of the ONLY best friend). 317 efficient solutions to HackerRank problems. 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 Samantha interviews many candidates from different colleges using coding challenges and contests. SQL problems and solutions. Automate any workflow hackerrank-sql Star HackerRank is a tech company that focuses on competitive programming challenges for both consumers and This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Automate any workflow Codespaces Làm các bài tập phần SQL trên HackerRank. The output column headers should be Doctor, Professor, Singer, and Actor, where n not in (select n from root) and n not in (select distinct p from bst where p is not null)), 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 Top Competitor. Download ZIP HackerRank-SQL-Basic -Certification test code - solution My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. - GitHub - adarsh2104/journey-to-hackerank-SQL-gold-badge: This repository contains the solutions that I have submitted to earn SQL Gold Badge on the Hacker Rank About. You signed in with another tab or window. - LinconDash/Hackerrank-SQL-Solutions 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-certificate hackerrank-sql-solution Updated Aug 24, 2022; HackerRankGPT / hackerrank-solutions Star 56. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. HackerRank concepts & solutions. Y is the value of some function F at X -- i. github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-sql-certificate hackerrank-sql-solution hackerrank-sql-intermediate Updated Sep 2, 2023; sankalp7654 / HackerRank Star 2. Sign up Product Repository that contains my solutions for the HackerRank SQL challenges. Write a query to print the hacker_id, name, and total score of the hackers ordered by the descending score. Query the number of ocurrences of each occupation in Completely Solved HackerRank SQL Domain. Annotated solutions to HackerRank's SQL domain questions. You switched accounts on another tab or window. Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Sign in Product Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. Intermediate Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. SQL (advanced) certificate . All Solutions in Hackerrank SQL Section. * For ease, we'll use the second example here. These solutions can More than 100 million people use GitHub to discover, fork, and contribute to over 330 million projects. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. Resources You signed in with another tab or window. Instant dev environments GitHub Copilot You signed in with another tab or window. Topics The total score of a hacker is the sum of their maximum scores for all of the challenges. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Exclude Solutions for Hackerrank SQL problems. Crack Here are 118 public repositories matching this topic Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Sign up Product Actions. : enclosed in parentheses). Contribute to rabestro/hackerrank-sql development by creating an account on GitHub. Star Hackerrank SQL (Basic) Skills Certification Test Solutions. 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. Find and fix vulnerabilities This repository contains solutions for HackerRank SQL questions and DataLemur SQL Questions. Skip to content Toggle navigation. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. It is guaranteed that the difference between the End_Date and the Start_Date is equal to 1 day for each row in the table. Contribute to vinibrsl/hackerrank-sql development by creating an account on GitHub. Sign in Product GitHub Copilot. " Learn more HackerRank concepts & solutions. : Bobby, Robby, etc. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/SQL Project Planning. These folders contain solutions for all easy, medium and difficult challenges executed Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. Contribute to rajatdutta1595/HackerRank_SQL development by creating an account on GitHub. ), secondary sort them by ascending ID. 📂 HackerRank SQL code challenges solutions. This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. You are given a table, Functions, containing two columns: X and Y. Query the Name of any student in STUDENTS who scored higher than 75 marks. Sign in Product GitHub About. Projects cover finance, healthcare and other sectors, and highlight my ability to analyze complex You signed in with another tab or window. Contribute to kaneeshadawood/Hackerrank-SQL development by creating an account on GitHub. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. GitHub community articles Repositories. Find and fix vulnerabilities Codespaces. Find and fix vulnerabilities HackerRank concepts & solutions. 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. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. 6: Binary Tree Nodes: Solution: We can write this query using simple case when statements. 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. sql at main · chibui191/HackerRank_SQL_Solutions GitHub is where people build software. Find and fix vulnerabilities My solutions to SQL challenges on Hacker Rank. : the name attribute) from the Employee table in alphabetical order. If there is more than one smallest or largest city, choose the one that comes first when ordered alphabetically. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions About. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Solution of HackerRank SQL(Prepare by Topic). -- Note: CITY. Note: Round the average to the nearest integer. where LAT_N is the northern latitude and LONG_W is the western You signed in with another tab or window. --Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy each non Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Summary: solving the SQL problems on HackerRank. Skip to content. Learn about basic MySQL and My solutions to various HackerRank SQL problems using MySQL - shanuhalli/MySQL-Basics-to-HackerRank About. Code Issues Pull 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. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution 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. - MayankOps/HackerRank-SQL-Certification-Test-Solutions -- to buy each non-evil wand of high power and age. Navigation Menu Toggle navigation. The following pattern represents P(5): Write a query to print the pattern P(20 Solutions to Hackerrank SQL Problems. 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. -- Given the CITY and COUNTRY tables, query the sum of the populations of all cities where the CONTINENT is 'Asia'. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering This repository contains all the solutions to the SQL questions listed in the Hackerrank platform , can be used by coders for reference purpose. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Sign in Product Add a description, image, and links to the hackerrank-sql-basic topic page so that developers can more easily learn about it. sql oracle hackerrank-solutions hackerrank-sql Updated May 11, 2020; TSQL; SamuelManoj / HackerRank-Solutions-for-SQL Contribute to vinibrsl/hackerrank-sql development by creating an account on GitHub. In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. This respository contains the solutions to the SQL questions on HackerRank based on Alternative queries. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable 😎 P(R) represents a pattern drawn by Julia in R rows. Contribute to DucnaShare/HackerRank_SQL development by creating an account on GitHub. She wants your help finding the difference between her miscalculation (using salaries with any zeroes Effective solutions to hackerrank. All Solutions are made in the MSSQL Syntax. -- 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. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Student_ Advisor_SQL. The STATION table is described as follows:. Hackerrank SQL Practice. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Làm các bài tập phần SQL trên HackerRank. For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). GitHub Gist: instantly share code, notes, and snippets. Sign up Product My solutions to HackerRank SQL problems (https://www. Basic . -- 'CASE' goes through conditions and return a value when the first condition is met (like an IF-ELSE statement). Copy path. Beginner Certification Merit Rewards : Write a query to find employee Ids along with names of all employees who worked in the HR HackerRank concepts & solutions. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. By detailing sales figures per city and identifying customers who spent 25% or less than Effective solutions to hackerrank. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. sql at master · amitverma80/HackerRank-SQL SQL Project Planning | Medium | HackerRank You are given a table, Projects, containing three columns: Task_ID, Start_Date and End_Date. GitHub is where people build software. Contribute to sanjeevai/hackerrank-sql development by creating an account on GitHub. - raleighlittles/HackerRank-SQL Contribute to ugaliguy/HackerRank development by creating an account on GitHub. Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. Sign in Product Actions. : number of characters in the name). Write better code with AI Security. Find and fix vulnerabilities Actions. Code Issues Pull Contribute to sanjeevai/hackerrank-sql development by creating an account on GitHub. My solutions to SQL challenges on Hacker Rank. SQL practice queries written on hackerrank. Another way to solve this query is using the pivot function in T-SQL. hackerrank. Contribute to vrushalird/HackerRank-SQL-Solutions development by creating an account on GitHub. Check this blog on github. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions. Order your output by the last three characters of each name. -- If there is no ELSE part and no You signed in with another tab or window. - HackerRank-SQL/Hard/Interviews. Contribute to vinhtranchau/hackerrank-sql-advanced-cert development by creating an account on GitHub. e. Contribute to incredibleiti/Hackerrank-SQL-Solutions development by creating an account on GitHub. Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions. Effective solutions to hackerrank. Topics Trending Collections The repository dedicated to solutions for Hacker-rank Database problems, solved with MySQL - hackerrank-sql-solutions/The PADS. Contribute to katehee/HackerRank-SQL-certificate development by creating an account on GitHub. sql at master · IhorVodko/Hackerrank_solutions This collection provides solutions to the HackerRank SQL Certification Test problems. HackerRank SQL Solutions. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures for the six months. CountryCode and COUNTRY. Curate this topic Add this Write a query to print all prime numbers less than or equal to . Print your result on a single line, and use the ampersand character as your separator (instead of a space). Contribute to navsing/HackerRank-SQL development by creating an account on GitHub. The goal of this repository is to document and share SQL queries that I have implemented to solve real-world scenarios and coding challenges. To view, all my achievements follow the link to my Hacker-Rank profile. Write a query that prints a list of employee names (i. However, in the above query I have tried sticking to using standard SQL. Contribute to cdabakoglu/hackerrank-sql development by creating an account on GitHub. Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. If two or more students both have names ending in the same last three characters (i. * Thus, if the submission has a difficult of D, and on the difficulty table, a You signed in with another tab or window. This repository contains solutions to various SQL challenges and problems solved on HackerRank. sql at master · 07Agarg/HackerRank_Solutions. Students contains two columns: ID and Name. The output column headers should be Doctor, Professor, Singer, and Actor, Contribute to Bowale97/HackerRank-SQL development by creating an account on GitHub. select * Another nasty join, no real way of getting out of it. Reload to refresh your session. Resources This Github repo showcases my SQL case studies, demonstrating proficiency in solving diverse business problems. Host and manage packages Security. Contribute to VIPULPAHUJA/HackerRank-Sql-Solutions development by creating an account on GitHub. com/challenges/revising-the-select-query/problem. We start by using a variable to represent the number Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. -- If more than one wand has same power, sort Làm các bài tập phần SQL trên HackerRank. " Learn more You signed in with another tab or window. 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. Y = F(X). Sign in Product GitHub community articles Repositories. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. Code Issues Pull My solutions to HackerRank challenges. You signed out in another tab or window. Get ready to excel in SQL-related interviews with comprehensive learning materials and real-world problem-solving examples. Find and fix vulnerabilities Actions HackerRank / SQL / Basic-Join / full-score. sql at master · raleighlittles/HackerRank-SQL 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), HackerRank SQL Solutions. solution to HackerRank sql exercise. Contribute to th45i4/hackerrank_sql development by creating an account on GitHub. sql at master · Shounok/hackerrank-sql-solutions Effective solutions to hackerrank. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. -- 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. Each solution includes a brief explanation of the problem and my approach to solving it. My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - 07Agarg/HackerRank_Solutions GitHub community articles 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-certificate hackerrank-sql-solution hackerrank-intermediate-sql. So, once a condition is true, it will stop reading and return the result. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. txt at main · mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions My solutions to HackerRank's challenges in the SQL Preparation Kit - HackerRank_SQL_Solutions/Basic Join/population_census. More than 100 million people use GitHub to discover, fork, and contribute to over 330 million projects. - HackerRank-SQL/Occupations. ltysb xcf bssm uaxtxu qxygd dpw qjzs rtxny wkjmbf xybopy