Hackerrank sql intermediate problem solving. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty.

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