Hackerrank sql intermediate problem solving. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97.

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