Hackerrank sql intermediate problem solving. Problem-Solving Beginner.

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