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