Hackerrank sql intermediate problem solving.
Medium SQL (Intermediate) Max Score: 30 Success Rate: 96.
Hackerrank sql intermediate problem solving Verify your SQL Skills. Easy. Weather Observation Station 20. 50%. hacker_id) as total Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. " Learn more Mar 29, 2024 · You signed in with another tab or window. These exercises cover fundamental to more advanced concepts, giving you a gradual progression towards becoming a proficient SQL user. id, challenges. Easy Problem Solving (Intermediate) Max Score: 20 Success Rate: 80. The certificate can be viewed here. 91%. You signed out in another tab or window. Hacker-Rank C solutions for Intermediate Resources. Programmers must first understand how a human solves a problem, then understand how to translate this "algorithm" into Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - nathan-abela/HackerRank-Solutions Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Easy Problem Solving (Intermediate) Max Score: 5 Success Rate: 95. 82%. Functional Programming. Strings. This is the best place to expand your knowledge and get prepared for your next interview. The Report. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. Problem solved-6. 39%. Watchers. Forks. Medium SQL (Basic) Max Score: 25 Success Rate: 98. About. Stars. ; Improve Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Problem-Solving Problem-Solving Beginner. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 2 Questions are asked, as of now 2 questions will be asked from these questions Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. These concepts introduce more complex features and functionalities of SQL. The skills directory contains a list of the skills and definitions of proficiency levels. Apr 21, 2023 · Add this topic to your repo To associate your repository with the hackerrank-sql-problems topic, visit your repo's landing page and select "manage topics. Java: Beginner. Basic Feb 20, 2023 · 3rd Query: “Challenges” Here’s the solution for the “Challenges” query problem on Hackerrank using SQL: SELECT challenges. Cannot retrieve latest commit at this These concepts introduce more complex features and functionalities of SQL. Each exercise includes clear explanations and Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. It took me a bit more than two weeks (on and off between work, This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. After your test cases get passed!!!! Happy Learning!!!! Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Regex. · 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 files for the solutions Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Easy SQL (Basic) Max Score: 10 Success Rate: 98. 03%. I tried to provide those with explanation. Hacker-Rank C solutions for Intermediate Solutions provided passes all of the test cases except for a few questions. SQL-Product-Sales-per-City files for the Oct 11, 2023 · GitHub - MahedeiHasan/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions: Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Basic Select. Problem Solving (Basic) Problem Solving (Intermediate) +1. 98%. Preparation Kits View all kits. Sep 12, 2020 · 📗 Solutions of more than 380 problems of Hackerrank accross several domains. Business Expansion. The following is a list of possible problems per certificate. Curate this topic Add this topic to your repo Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Advanced Select. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. I have taken This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. This course is meant for all levels, so whether you are a beginner, intermediate or advanced you can still take this course. Mar 12, 2024 · 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. name, COUNT(submissions. Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. This repository contains my SQL solutions to problems from platforms like HackerRank. ; Multiple Language Implementations: Add solutions in other programming languages. Problem Solving (Basic) Python (Basic) Problem Solving (Advanced) Python (Intermediate) Difficulty. com courses. Sep 21, 2023 · Welcome back to Part 2 of our SQL Interview Preparation series with HackerRank! In this installment, we’re elevating our game as we dive into intermediate-level SQL questions. sql & 2. 83%. Key Competencies: Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 95%. They are essential for building more sophisticated and robust queries, managing data relationships, and Apr 1, 2023 · Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. Solved 100+ SQL queries (Basic, Intermediate and Advance level) in HackerRank by using MySQL, MS SQL Server and Oracle. Unsolved. 14%. 99%. NET when we want to create a website or desktop app. Insert a node at the head of a linked list. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. 33%. Medium SQL (Intermediate) Max Score Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. Easy SQL (Basic) Max Score: 10 Success Rate: 99. In . N which you need to complete. Statistics. African Cities. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Solved queries Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. Easy Problem Solving (Basic) Max Score: 15 Success Rate: 86. By detailing sales figures per city and identifying customers who spent 25% or less than the average, this solution aids in strategic decision-making for optimizing sales and customer engagement. New Companies. I took the HackerRank test on 10/11/2023. Challenges: 21, Attempts: 1022447, Mock Tests: 0. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. About I have solved various HackerRank SQL problems using MySQL SQL (Intermediate) SQL (Advanced) Difficulty. Please check 1. Jun 22, 2023 · 19. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions. Level up your coding skills and quickly land a job. Exception Handling. We use cookies to ensure you have the best browsing Nov 5, 2020 · The results of the first query are formatted to the problem description's specifications. Report repository Problem Solving (Intermediate) Difficulty. Problem Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. 68%. You switched accounts on another tab or window. Compute a Difference(Delta This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . Guestbook. This repository features solutions to various intermediate-level SQL challenges from HackerRank. sql files for the solutions I submitted! Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. Introduction. It includes efficient SQL queries, problem-solving techniques, and well-documented scripts. We are the #1 global leader in developer assessment and helping companies understand and Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. SQL (Intermediate) Skills Certification Test. Binary Tree Nodes. SQL (Intermediate) SQL (Advanced) Difficulty. ; Add Explanations: Provide detailed explanations of code and problem-solving approaches. 1 Month Preparation Kit. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. 3D Surface Area. sql and 2. Caesar Cipher. 04%. Readme Activity. Challenges: 21, Attempts: 1014302, Mock Tests: 0. Intermediate. Solve Challenge. ; Well-documented solutions: Each solution includes a clear explanation of the approach and the query used to solve the problem. The questions asked are Invoices Per Country and Product Sales Per City. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. 93%. These exercises are designed to challenge you beyond basic queries, delving into more complex data manipulation and analysis. Storage. Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . 85%. Basic Data Types. · cracking-the-coding-interview algorithm-challenges coding-challenges hackerrank-sql. At its core, problem-solving focuses on the study, understanding, and usage of data structures and algorithms. SQL. Alternative Queries. Business_expansion. Status. Linux Shell. Feel free to explore the solutions and the approach I took to solve these challenges. Here, you’ll find: A variety of SQL problems: From beginner to advanced levels, covering key concepts like SELECT queries, JOINs, subqueries, window functions, and more. business_expansion. section and make sure you understand the concepts. Jan 10, 2025 · Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Solving problems is the core of computer science. BigNumber. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. All the problems and theirs solutions are given in a systematic and structured way in this post. Open main menu. Jan 20, 2024 · Solutions to Certification of Problem Solving Basic on Hackerrank. Here are a few examples of technical problem-solving questions: 1. 8223 words 42 min read ––– views. Reload to refresh your session. View Skill Info. Aggregation. Medium SQL (Intermediate) Max Score: 40 Success Rate: 95. Automated the process of adding solutions using Hackerrank Solution Crawler. The topics covered in this course are : SQL (Intermediate) SQL (Advanced) Difficulty. Weather Observation Station 18. 84%. Subdomains. sql files for the solutions I submitted! This repository is dedicated to solving SQL challenges from HackerRank. On each day, you will choose a subset of the problems and solve them. 5 forks. HackerRank SQL Problem Solving Questions With Solutions # Related Topics: Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. 74%. View on GitHub Hackerrank. 76%. These challenges are designed to test You signed in with another tab or window. This repository contains my solutions for the HackerRank intermediate-level problems using MySQL. To get a certificate, two problems have to be solved within 90 minutes. 97%. Get Certificate. 28%. The test consisted of two questions that I had 35 minutes to solve. Medium. There are N problems numbered 1. We use cookies to ensure you have the best browsing experience on our website. It’s a collection of queries I’ve written to practice and improve my SQL skills. Articles Works Shiny Snippets Resume About Contact. This is a documentation of my Hackerrank solution for: Problem Solving (Intermediate) Certification solution Test duration: 90 minutes Number of questions: 2 SQL (Intermediate) SQL (Advanced) Difficulty. 49%. Customer_spending. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for Hacker-Rank Problem Solving Intermediate C-solutions. If you’re uncertain about how to start on a problem, the hints are designed to gradually walk you through how to approach each problem. Basic Intermediate Advanced. Easy SQL (Basic) Max Score: 10 Success Rate: 95. . 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. Basic Join. The STATION table is described as Apr 22, 2021 · While solving all SQL problems from HackerRank, I came across multiple solutions for the same problem. Nov 5, 2020 · Post displaying HackerRank sql problem solving questions and solution. Top Competitors. You can find me on hackerrank here. Give a star For my work. So, without wasting any time, let’s Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Please check 1. Oct 30, 2024 · Intermediate. Data Structures. You have also assigned a rating vi to each problem. 29%. " Learn more Verify your Problem Solving Skills. This competency area includes basic data structures and algorithms. 66%. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. Databases. - Problem Solving Basic; SQL Intermediate; REST API Intermediate; Technical Communication; Code Quality; System Design; Typical years of experience. 02%. Skills. Easy Problem Solving (Intermediate) Max Score: 25 Success Rate: 81. Over 3,000 companies and 40% of developers worldwide use. Verify your Problem Solving Skills. Programmers must first understand how a human solves a problem, then understand how to translate this "algorithm" into Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. At HackerRank, we have worked with over 1500+ companies and conducted more than 20 Million developer assessments. 1 Week Preparation Kit. Problem Solving (Intermediate) Skills Certification Test. 65%. Customer Spending. Feb 29, 2024 · Try solving those 20 SQL practice problems! In this article, I have selected 20 SQL practice problems from beginner- and intermediate-level LearnSQL. Sets. Problems with similar vi values are similar in nature. 15 Days of Learning SQL. Product Management Cross-functional Skills. Hacker rank SQL intermediate solution. 15%. You've arranged the problems in increasing difficulty order, and the i th problem has estimated difficulty level i. In this course we will be solving problems on the Northwind and AdventureWorks2012 database, and also along with that we will also solve some HackerRank SQL challenges. 1 watching. Itertools. The solutions are organized by topics and updated regularly as I solve new problems. Object Oriented Programming. This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. You signed in with another tab or window. Published on November 5, 2020. 58%. Revising the Select Query I. Solutions of more than 380 problems of Hackerrank across several domains. Note: HackerRank supports several skills across all products. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to Jul 20, 2024 · We welcome contributions to enhance this collection of HackerRank 30 Days of Code solutions: Improve Existing Solutions: Optimize or clarify current solutions. 0. Medium Problem Solving (Intermediate) Max Score: 20 Success Rate: 83. Accelerate your Job Search. Stored Procedure tries to solve this major problem while developing a website. Advanced Join. Select By ID. Solve Challenge About. Add a description, image, and links to the hackerrank-problem-solving topic page so that developers can more easily learn about it. Hard. These solutions were completed during a test on August 21, 2023. But technical problem solving lies at the heart of programming, and most coding questions are designed to test a candidate’s problem-solving abilities. SQL-Business-Expansion and 2. 6 min read. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Swift. customer_spending. Problem-Solving SQL: Beginner. Please checkout my solutions and make use of it for the learning purpose Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. 48%. Mini-Max Sum Oct 11, 2023 · Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Solved. Programmers must first understand how a human solves a problem, then understand how to translate this "algorithm" into Feb 3, 2022 · Problem solving itself might at first seem like it’s taking a back seat. 08%. · mysql challenge sql solutions tutorials hackerrank problem-solving hackerrank-solutions hackerrank-challenges hackerrank-sql hackerrank-sql-solutions mysql-environment sql-challenges select-challenges. If you do, start working on the Intermediate Problems section. The results of the second query are ascendingly ordered first by number of names corresponding to each profession (2 ≤ 2 ≤ Oct 11, 2023 · Problem solved-6. 4 stars. -End Developer (Django) Back-End Developer (Laravel) Back-End Developer (Node) Back-End Developer (Rails) Get started with HackerRank. Problem Solving. Prepare for your upcoming programming interview with Interview Preparation Kit Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Math. Expert. Try hard to solve the problems first without the hints! The information Oct 22, 2024 · SQL Practice Exercises for Intermediate. Oct 19, 2021 · Current projects at work require more SQL skills, so I took the time to brush up my SQL knowledge using the HackerRank coding challenges platform. nwqktxljnwwtbxvaybhnaqbrbepprqrnwhjkzdnzfjtuwzk