Hackerrank sql solutions If two or more students both have names ending in the same last three characters (i. Manhattan Distance Calculation SQL Query. This is the only video you will need to improve you This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in a MySQL environment. Query the number of ocurrences of each occupation in OCCUPATIONS. Blog; Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Share this post. You switched accounts on another tab or window. You signed out in another tab or window. Effective solutions to hackerrank. - Cyberoctane29 HackerRank concepts & solutions. Browse the repository for helpful resources, references and tutorials related to the challenges. The solutions cover a wide range of SQL challenges, Test your SQL skills with various challenges on HackerRank, one of the best ways to prepare for programming interviews. This repository contains My Solutions of SQL challenges on HackerRank and you can see multiple solutions for the same challenge. Problem 1: Solution: Problem 2: Solution: Problem 3: Solution: HackerRank MySQL challenge solution in the MySQL Advance Track - GitHub - hammad-ali-shah/SQL: HackerRank MySQL challenge solution in the MySQL Advance Track Learn about basic MySQL and My solutions to various HackerRank SQL problems using MySQL. md. 24 hours ago + 0 comments. 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. Code; Issues 0; Pull requests 0; Actions; Projects 0; Security; Insights; Files main. : My solutions to SQL problems on HackerRank # SQL Problems Page: https://www. Order your output by ascending company_code. The solutions of all SQL hackerrank challenges using MySQL environment - Thomas-George-T/HackerRank-SQL-Challenges-Solutions Hello coders, today we are going to solve Average Population HackerRank Solution in SQL. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Ketty doesn't want the NAMES of those students who received a grade lower than 8. Problem; Input Format; Solution – Average Population in SQL. - kedarvartak/Hackerrank-Sql-Solutions Effective solutions to hackerrank. Order your output by the last three characters of each name. " Hello coders, today we are going to solve Ollivander's Inventory HackerRank Solution in SQL. Contribute to christinasam/hackerrank-challenge-solutions development by creating an account on GitHub. 12 KB. These folders contain solutions for all easy, medium and difficult challenges executed Welcome to the HackerRank SQL Solutions repository! 🚀 Dive into a curated collection of SQL queries crafted to tackle a range of challenges. name FROM student_information a INNER JOIN examination_marks b ON a. This repository This repository contains My Solutions of SQL challenges on HackerRank and you can see multiple solutions for the same challenge. Hard. Breadcrumbs. 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. MySQL Server; Problem. These problems are generated by HackerRank, but the solutions are provided by Niyander. Top. Click here for more information about HackerRank SQL Basic Hello coders, today we are going to solve Weather Observation Station 13 HackerRank Solution in SQL. Find all the solutions of HackerRank SQL problems in a systematic and structured way. We use cookies to ensure you HackerRank SQL Solutions. 2345, rounded to 4 decimal places. SQL Query for printing HackerRank Advanced SQL Certification Solutions: Learn how to solve HackerRank's Advanced SQL problems with detailed explanations and step-by-step solutions. Easy SQL (Advanced) Max Score: 25 Success Rate: 96. Solved. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. 6 stars. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Problem. 50%. Learn from basic select, advanced select, aggregation, join, alternative queries and more with examples and tips. Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. Feel free to explore and use the solutions as a reference for This respository contains the solutions to the SQL questions on HackerRank based on Aggregation. Efficient solutions to HackerRank SQL problems This repository consists of all the SQL Solutions as of 10th April 2020. We use cookies to ensure Complex joins-This competency includes using INNER, LEFT, RIGHT, and FULL joins on multiple tables and using joins for many-to-many relationships. The STATION table is described as Contribute to tunghim/HackerRank_SQL_Solutions development by creating an account on GitHub. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering various The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. CRYPTO MARKET ALGORITHM. - LinconDash/Hackerrank-SQL-Solutions The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. There are almost always multiple solutions to the same problem. - raleighlittles/HackerRank-SQL Why this video is 7. SQL. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. 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. - LinconDash/Hackerrank-SQL-Solutions - LinconDash/Hackerrank-SQL-Solutions Welcome to the HackerRank SQL Solutions repository! 🚀 Dive into a curated collection of SQL queries crafted to tackle a range of challenges. Contribute to CuriosityLeonardo/All-Hackerrank-SQL-Solutions development by creating an account on GitHub. Submissions. We use cookies to Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Stars. Sign in Product SQL; Solutions are coded using Java 8. A number of algorithms are used to mine cryptocurrencies. Continent) and their respective average city populations Find the solutions of all SQL hackerrank challenges for easy, medium and hard levels using MySQL environment. Draw The Triangle 1. Packages contains two columns: ID and Salary HackerRank SQL Solutions. Leaderboard. - 12Ruturaj/HackerRank-SQL Welcome to my repository of SQL solutions for all the challenges on HackerRank. 99%. SQL solutions are coded 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. Notifications You must be signed in to change notification settings; Fork 0; Star 0. Query the Name of any student in STUDENTS who scored higher than 75 Marks. sql Description: Retrieve the city with the shortest name length. About. We use cookies to ensure you Amber's conglomerate corporation just acquired some new companies. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures This repository contains the solutions to HackerRank SQL problems on Alternative Queries. We use cookies to SQL solutions to HackerRank SQL challenges. - MayankOps/HackerRank-SQL-Certification-Test-Solutions HackerRank concepts & solutions. Average Population of Each Continent | Easy | HackerRank Given the CITY and COUNTRY tables, query the names of all the continents (COUNTRY. Discussions. HackerRank SQL Solutions. SQL Problem Statement: Ketty gives Eve a task to generate a report containing three columns: Name, Grade and Mark. Solution File: shortest_city. DevSecOps DevOps CI/CD View all use cases By industry. Adi The PM's HackerRank concepts & solutions. recency | 1936 Discussions| Please Login in order to post a comment. Readme License. e. Samantha interviews many candidates from different colleges using coding challenges and contests. Weather Observation Station 4 | Easy | HackerRank Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. jorh902. All Solutions in Hackerrank SQL Section All Solutions are made in the MSSQL Syntax. HackerRank is a platform for competitive coding. This repository contains all the solutions to the SQL questions listed in the Hackerrank platform , can be used by coders for reference purpose. The report must Hello coders, today we are going to solve Print Prime Numbers HackerRank Solution in SQL. We have also GitHub is where people build software. This collection provides solutions to the HackerRank SQL Certification Test problems. . Welcome to the HackerRank SQL Challenges Solutions repository! This repository contains my solutions to all the HackerRank SQL Practice Questions. Query the Western Longitude for the largest Northern Latitude under 137. 15 Days of Learning SQL. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Full HackerRank SQL Basic Certification Solution Video Student Analysis SQL solution in SQL SELECT a. Samantha Julia Scarlet Explanation. Hackerrank SQL all track solutions SQL (Intermediate) SQL (Advanced) Difficulty. We use cookies to ensure you have the best browsing experience on our website. " Problem Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. 76%. Problem; Solution – Japanese Cities’ Names in SQL; Problem. GitHub is where people build software. Write a query to print Easy SQL (Advanced) Max Score: 25 Success Rate: 96. Blame. This is the only video you will need to improve you 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. cracking-the-coding-interview hackerrank hackerrank-python hackerrank-solutions hackerrank-java "Learn to pivot the Occupation column in OCCUPATIONS table on HackerRank SQL, sorting Names alphabetically under Doctor, Professor, Singer, and Actor headers. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions The following challenges all revolve around simple SELECT statements that make use of SELECT, FROM, WHERE, and ORDER BY. TOPICS: Basic Select; Advanced Select; Aggregation; Basic Join; Advanced Join; Alternative Queries; SQL solutions are coded using MySQL. development by creating an account on GitHub. Whether you’re prepping for an interview or honing your SQL skills, you’ll find valuable solutions and insights here. Shortest City: Query the shortest city name(s) from the STATION table. We have covered the topics of subqueries, window functions, joins, and more. In this article, we have discussed the HackerRank Advanced SQL Certification Solutions. " You signed in with another tab or window. Query the average population for all cities in CITY, rounded down to the nearest integer. Preview. Subdomains. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) In this post, we will be covering all the solutions to SQL on the HackerRank platform. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. SQL (Intermediate) SQL (Advanced) Difficulty. 02%. 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. SQL HackerRank Solutions. " About My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. Solutions of more than 380 problems of Hackerrank across several domains. Samantha is interested in finding the total number of different projects completed. P(R) represents a pattern drawn by Julia in R rows. Raw. Now, Samantha’s best friend got offered a higher salary than her at 11. The repository contains 4 folders. Skip to content. Each solution is written in structured query language (SQL), showcasing my proficiency across various levels of difficulty, from basic queries to advanced The code snippet is designed to generate and print a specific text-based pattern of stars. Updated Jul 25, 2023; Improve this page HackerRank concepts & solutions. Each of the companies follows this hierarchy: 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. This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. This repository contains my solutions to all SQL challenges on HackerRank. Query all columns. Easy SQL (Advanced) Max Score: 25 Success Rate: 97. " Codersdaily is the best IT You signed in with another tab or window. mysql challenge sql solutions tutorials hackerrank problem-solving hackerrank-solutions hackerrank-challenges hackerrank-sql hackerrank-sql-solutions mysql-environment sql-challenges select-challenges. Order The solutions of all SQL hackerrank challenges using MySQL environment. Students contains two columns: ID and Name. 48%. Hermione Thomas-George-T / HackerRank-SQL-Challenges-Solutions Star 733 Code Issues Pull requests The solutions of all SQL hackerrank challenges using MySQL environment mysql challenge sql solutions tutorials hackerrank HackerRank SQL Solutions This repository contains all 58 solutions to the HackerRank SQL Practice Questions. ; sql-psql-udy / hackerRank_sql_solutions / 07_advance_certification / 01_crypto_market_algorithm. It is very important that you all first give it a try & brainstorm yourselves before having a Why this video is 7. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Adityaraj Ray. Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. : enclosed in parentheses). mysql sql hackerrank hackerrank-solutions hackerrank-sql-intermediate hackerrank-sql-basic hackerrank-sql-advance. Write a query to print the shortest and longest length city name along with the length of the city names. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering various aspects of SQL including In this article, I am going to share HackerRank SQL Solutions with you. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. We use cookies to ensure Solutions By company size. Verify your SQL Skills. The repository contains 6 folders. 106 lines (84 loc) · 3. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Amber’s conglomerate corporation just acquired some new companies. Basic Select. Unions-This competency includes using unions to display multiple sets of information All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Each solution includes a brief explanation of the problem and my approach to solving it. Order your output by ascending Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. 1) Revising ALL Problem: Query all columns (attributes) for every row in the CITY table. Problem Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. These folders contain solutions for easy, medium, and difficult challenges executed on an MS SQL environment. MIT license Activity. The output column headers should be Doctor, Professor, Singer, and Actor, Names of columns in the City Table. Skills. Hello coders, today we are going to solve Draw The Triangle 2 HackerRank Solution in SQL. HackerRank; Alternative Queries Problems & Solutions. The Blunder. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Automated the process of adding solutions using Hackerrank Solution Crawler. roll_number,a. Crack your coding interview and get hired. Choose from different levels of difficulty and topics, such as select Inside you will find the solutions to all HackerRank SQL Questions. By detailing sales figures per city and identifying customers who spent 25% or less than HackerRank HackerRank: SQL - All solutions (Basic Select, Advanced Select, Aggregation, Basic Join, Advanced Join, Alternative Queries) Coursera: Machine Learning (Week 2) [Assignment Solution] - Andrew NG. If the End_Date of the tasks are consecutive, then they are part of the same project. You are given a table, Projects, containing three columns: Task_ID, Start_Date and End_Date. For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). We use cookies to ensure you have the You are given three tables: Students, Friends and Packages. Alternative Queries. Create a HackerRank account Be part of a 23 million-strong community of developers. "HackerRank SQL Solutions: Enhance your SQL skills through a comprehensive collection of hands-on challenges and expertly crafted solutions, designed to sharpen your database querying abilities. Query the names of all the Japanese cities in the CITY Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Sort by. Aggregation. We use cookies to ensure you have the This repository contains my solutions to all SQL challenges on HackerRank. Input Format. Basic Join. The following challenges use simple aggregation functions such as MIN, MAX "HackerRank SQL Solutions: Enhance your SQL skills through a comprehensive collection of hands-on challenges and expertly crafted solutions, designed to sharpen your database querying abilities. The WHERE clauses will use and three basic boolean operators as well as some of the most used functions. Annotated solutions to HackerRank's SQL domain questions. Sample Output. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. Contribute to vrushalird/HackerRank-SQL-Solutions development by creating an account on GitHub. Code. The pattern, denoted as P(R), consists of R rows where each row contains a decreasing number of stars, starting from R stars in the first row HackerRank SQL Problem Solving Questions With Solutions - rthway/HackerRank-SQL Skip to content Navigation Menu Toggle navigation Sign in Product GitHub Copilot Write better code with AI Security Actions Instant dev 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 BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Student and Friend Salary Report: Insights and Analysis. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. Topics select sql oracle hackerrank challenges oracle-database hackerrank-solutions basic-join 1 0 All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Binary Tree Node Type Query on HackerRank SQL. Problem; Solution – Print Prime Numbers in SQL | Hacker Rank Solution. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. " Contains solutions for all Hackerrank Sql problems - vmlrj02/Hackerrank-Sql-solutions Skip to content Navigation Menu Toggle navigation Sign in Product GitHub Copilot Write better code with AI Security Find and Issues The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. HackerRank HackerRank: SQL - All solutions (Basic Select, Advanced Select, Aggregation, Basic Join, Advanced Join, Alternative Queries) Coursera: Machine Learning (Week 2) [Assignment Solution] - Andrew NG. Mar 31, 2024. SQL Query for printing pattern. mysql practice solutions hackerrank problem-solving hackerrank-solutions hackerrank-sql hackerrank-sql-solutions Updated Oct 10, 2023; nilansh-07 / SQL-Queries-Hackerrank Star 0. I have used MySQL and MS SQL Server for the solutions. Contains solutions for all Hackerrank Sql problems - Hackerrank-Sql-solutions/Basic Join -- Challenges at main · vmlrj02/Hackerrank-Sql-solutions Hello coders, today we are going to solve Japanese Cities’ Names HackerRank Solution in SQL. Updated Apr 30, 2024; SQL; Problem. Draw The Triangle 2. Accelerate your Job Search. Learn SQL queries, aggregations, joins, subqueries, and more with examples and explanations. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Table of Contents. Solve Challenge. Output one of the following statements for each record in the table: Equilateral: It’s a triangle with 3 sides of equal length. 55; Julia’s best friend got offered a higher salary than her at 12. Query the sum of -- MS SQL Server SELECT DISTINCT CITY FROM STATION WHERE PATINDEX ( ' [ aeiou ] % ' , REVERSE ( CITY )) = 1 ; -- it equals to 1 to ensure that the vowel is at the first position as the start of the city name, but then we reverse to get the last position as the start of the city name. Problem; Solution – Draw The Triangle 2 in SQL. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. Contribute to iancarson/HackerRank_Sql_Solutions. 1 watching. 12; Scarlet’s best friend got 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. You can find me on hackerrank here. These are not the only solutions. Find public repositories on GitHub that contain solutions to SQL challenges on HackerRank using various databases and languages. View on GitHub Hackerrank. Medium. Find the complete solution with possible explanation to all SQL Practice problems on HackerRank. Compare and explore different approaches, code snippets, and tips from other developers. Contribute to incredibleiti/Hackerrank-SQL-Solutions development by creating an account on GitHub. SQL Query for printing prime numbers. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Skip to content Navigation Menu Toggle navigation Sign in Product GitHub Copilot Write better code Issues Efficient solutions to HackerRank SQL problems This repository consists of all the SQL Solutions as of 10th April 2020 TOPICS: Basic Select Advanced Select Aggregation Basic Join Advanced Join Alternative Queries Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. HackerRank concepts & solutions. Reload to refresh your session. Status. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy each non Explore HackerRank SQL Solutions, a robust resource offering a diverse array of practical challenges and expert solutions to bolster your SQL proficiency and database querying skills. Enterprises Small and medium teams Startups By use case. Packages. If there are multiple cities with the same length, return the one that comes first alphabetically. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution My solutions to SQL challenges on Hacker Rank. Topics. 84%. As part of a comparison, create a query to return a list of algorithms Welcome to the HackerRank SQL Challenges Solutions repository! This repository contains my solutions to all the HackerRank SQL Practice Questions. roll_number = Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - nathan-abela/HackerRank-Solutions 📗 Solutions of more than 380 problems of Hackerrank accross several domains. This repository contains a comprehensive set of SQL queries for every problem I've solved on the platform, categorized by difficulty and topic. We use cookies to ensure 19. Navigation Menu Toggle navigation. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Code Issues The HackerRank SQL Basic Certification gives you a credible way to prove your skills to potential employers, helping you stand out in a competitive job market. These folders contain solutions for easy, medium, and difficult All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Problem; Input Format; Solution – Weather Observation Station 13 in SQL. Watchers. File metadata and controls. Problem. Write a query to print the contest_id, hacker_id, name, and the sums of total_submissions, total_accepted_submissions, Welcome to the HackerRank Solutions repository, where you can find comprehensive solutions to various HackerRank problems implemented in SQL. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Problem. 82%. 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. Friends contains two columns: ID and Friend_ID (ID of the ONLY best friend). HackerRank Solutions in SQL Welcome to the HackerRank Solutions repository, where you can find comprehensive solutions to various HackerRank problems implemented in SQL. Unsolved. Advanced Join. Solution: select * from CITY 2) Select by ID Problem: Query all columns Inside you will find the solutions to all HackerRank SQL Questions. VIPULPAHUJA / HackerRank-Sql-Solutions Public. MySQL; Problem. These solutions can Problem. Source. - Sukanya807/HackerRank_SQL_Aggregation. Topics Solutions to Hackerrank SQL Problems. We use cookies to ensure you Effective solutions to hackerrank. Advanced Select. Company Details with Employee Counts SQL Query. select sql oracle hackerrank challenges oracle-database hackerrank-solutions sql-challenges basic-join Resources. Easy. The CITY is described as follows: Field Type; ID: All Solutions in Hackerrank SQL Section. 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. Healthcare Financial services Manufacturing Government View all industries View all This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Each solution is written in structured query language (SQL), showcasing my proficiency across various levels of difficulty, from basic queries to advanced topics like joins, aggregations, and window functions. tkcy nneqhu bqzjnv vjg dnhpphv nkcjns jzo ksod efduvbtj vmy

Hackerrank sql solutions. These solutions can … Problem.