Hackerrank sql intermediate problem solving. Medium SQL (Basic) Max Score: 25 Success Rate: 98.

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