Hackerrank sql solutions. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94.

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