Hackerrank sql github. Students contains two columns: ID and Name.

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