Hackerrank sql intermediate solutions. Test duration 35 mins.

Hackerrank sql intermediate solutions Articles Works Shiny Snippets Resume About Contact. Enterprises Small and medium teams Startups By use case. Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. Add this topic to your repo To associate your repository with the hackerrank-intermediate-sql topic, visit your repo's landing page and select "manage topics. HackerRank-SQL-Intermediate-Solution This repository contains my solutions for the HackerRank intermediate-level problems using MySQL. of questions 2 questions. Hard. By detailing sales figures per city and identifying customers who spent 25% or less than github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-sql-certificate github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio Intermediate. HackerRank SQL Solutions. Add this topic to your repo To associate your repository with the hackerrank-sql-solution topic, visit your repo's landing page and select "manage topics. -- If more than one wand has same power, sort the result in order of descending age Add this topic to your repo To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. Guestbook. SQL 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. Julia just finished conducting a coding contest, and she needs your help assembling the leaderboard! Write a query to print the respective hacker_id and name of hackers who achieved full scores for more than one challenge. In this article, I’ll walk you through two questions from the exam along Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. ; Multiple Language Implementations: Add solutions in other programming languages. This is one question solution to the HackerRank SQL Basic Certification problem and this is shared for your increasing knowledge. Business_expansion. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. cochiseandcumbria Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Basic Select. Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - nathan-abela/HackerRank-Solutions Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. The test covers complex joins, unions, and sub-queries. Post displaying HackerRank sql problem solving questions and solution. md at master · adminazhar/-hackerrank-SQL-intermediate This repository contains the solutions to the HackerRank SQL (Intermediate) Skills Certification Test. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming You signed in with another tab or window. At its core, problem-solving focuses on the study, understanding, and usage of data structures and algorithms. Updated Sep All Solutions in Hackerrank SQL Section. Click here to see solutions for all Machine Learning Coursera Assignments. Healthcare Financial services Manufacturing By use case. Feel free to ask doubts in the comment section. Advanced Join. " Learn more Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. My solutions to HackerRank challenges. The test consists of two tasks that involve querying a database using SQL. ; Add Explanations: Provide detailed explanations of code and problem-solving approaches. Learn and practice SQL intermediate concepts such as subqueries, grouping, indexes, views, and transactions. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Certificate can be viewed here. e. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. If there is more than one I have used MySQL and MS SQL Server for the solutions. . I will try my best to where LAT_N is the northern latitude and LONG_W is the western longitude. Sql-intermediate-hackerrank-solutions I've achieved the SQL Intermediate Certification from HackerRank. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy each non-evil wand of high power and age. SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. Problem. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: You signed in with another tab or window. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Full HackerRank SQL Basic Certification Solution Video Student Analysis SQL solution in SQL SELECT a. Write a query to print the id, age, coins_needed, and power of the wands that Ron’s interested in, sorted in order of The customer spending question answer of hacker rank is wrong the correct answer is SELECT c. Click here to see more codes for Arduino Mega (ATMega 2560) and similar Family. Please check 1. Reload to refresh your session. Blog; Scoring; Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. custome Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. business_expansion. - Kungfoowiz/Hacker-Rank-Certifications You signed in with another tab or window. Instructions. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming The Merit Rewards SQL problem is a question presented in the HackerRank Basic SQL Certification exam. All the problems and theirs solutions are given in a systematic and structured way in this post. Each question covers a different aspect of SQL, providing a comprehensive learning experience. We use cookies to ensure you have the best browsing experience on our website. Test duration 35 mins. " Learn more 7 tips giúp bạn hoàn thành 58 SQL HackerRank challenges trong 1 tuần & đạt 3 SQL certificates (basic – intermediate – advanced) trong 2 giờ Thế nên mình quyết định ngồi đánh giá hiệu quả các “solutions” trong mùa tết một tí rồi lấy mở các khóa đang học online dang dở ra làm tiếp Hackerrank SQL Solution #11Intermediate SQL - Placements#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview #interviewp You signed in with another tab or window. Contribute to ejaj/SQL development by creating an account on GitHub. Get Certificate. sql and 2. Platform Help | Execution Environment | FAQ. Practice SQL questions to enhance our skills in database querying and manipulation. A repository of solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test. Medium. 03%. : number of characters in the name). New Companies. 50%. Basic . You switched accounts on another tab or window. Hackerrank SQL Solution #4Intermediate SQL - Weather Observation 20#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview karunakaran186 / Sql-intermediate-hackerrank-solutions Public. These concepts introduce more complex features and functionalities of SQL. Merit Rewards. -- Write a query to print the id, age, coins_needed, and power of the wands that Ron's interested in, -- sorted in order of descending power. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. These are not the only solutions. Unsolved A collection of solutions to competitive programming exercises on HackerRank. 76%. txt at main · mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions You signed in with another tab or window. This is a timed test. SQL (Intermediate) SQL (Advanced) Difficulty. SQL Intermediate Certification Hackerrank Solution https://www. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Welcome to HackerRank SQL (Intermediate) Skills Certification Test. Learning Pathways White papers, Ebooks, Webinars I'm excited to announce that I've successfully completed the SQL intermediate test on HackerRank and received my certification! This achievement has boosted my SQL skills and  · Add this topic to your repo To associate your repository with the hackerrank-sql-solution topic, visit your repo's landing page and select "manage topics. Note: CITY. This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . - -hackerrank-SQL-intermediate-skills-certification-test-solution/README. Enterprise Teams Startups By industry. Basic Add this topic to your repo To associate your repository with the hackerrank-sql-certificate topic, visit your repo's landing page and select "manage topics. This is an intermediate SQL Problem. As part of the business expansion efforts at a company, Contribute to ejaj/SQL development by creating an account on GitHub. karunakaran186 / Sql-intermediate-hackerrank-solutions Public. - rewyekha/HackerRank-solutions-SQL My solutions to the HackerRank REST API Intermediate Certification using C# . See the certificate, the questions, and the solutions in SQL and text files.  · Add this topic to your repo To associate your repository with the hackerrank-sql-certificate topic, visit your repo's landing page and select "manage topics. Skills. Open main menu. roll_number,a. id = i. 82%. Input  · All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Weather Observation Station 5 Query the two cities in Problem. Get certified with hakerrank SQL Interme Verify your SQL Skills. Unsolved. Angular is a framework that works with Typescript or JavaScript to render dynamic page content. Solved. Create a new branch for your contribution. 39%. CI/CD & Automation doganmuratcan / HackerRank_SQl_INTERMEDIATE_SKILLS_CERTIFICATION Public. Given the CITY and COUNTRY tables, query the sum of the populations of all cities where the CONTINENT is ‘Asia’. See the README file for the SQL queries and the table schemas for each problem. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/SQL Project Planning. Hackerrank SQL Solution #8 Intermediate SQL - Challenges#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview #interviewp In this Video you will Learn About - How to Write SQL Intermediate Level Code on Hackerrank . Medium SQL (Intermediate) Max Score: 40 Success Rate: 93. 85%. " Learn more Solutions For. Intermediate. You can view my certificate by clicking the link below: View HackerRank Certificate HackerRank-SQL-Intermediate-Solution This repository contains my solutions for the HackerRank intermediate-level problems using MySQL. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Amber’s conglomerate corporation just acquired some new companies. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Merit_ Rewards_SQL. Business Expansion. Placements. All Solutions are made in the MSSQL Syntax. Student Analysis. Solve Challenge. Notifications You must be signed in to change notification settings; Fork 0; Star 0. roll_number HAVING SUM(b. customer_name, CAST(SUM(i. Hackerrank SQL (Basic) Skills Certification Test Solutions. This is just to help new developers to compete and learn. Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. hackerrank. Intermediate This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. sql files for the solutions I Hacker 84072 submitted solutions for challenges 49593 and 63132, so the total score = 100 + 0 = 100. 95%. roll_number GROUP BY b. 74%. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Business Expansion(Solution-1,2,3). Click here to see more codes for Raspberry Pi 3 and similar Family. Unsolved Problem. Code are matching key columns. Basic Select Advanced Select Aggregation Basic Join You signed in with another tab or window. If you would like to contribute to this repository, follow these steps: Fork the repository. Order your output in descending order by the total number of challenges in which the hacker earned a full score. " Learn more Saved searches Use saved searches to filter your results more quickly Dec 17, 2023 · You signed in with another tab or window. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Revising the Select Query I – HackerRank Solution You signed in with another tab or window. Advanced Select. sql at master · IhorVodko/Hackerrank_solutions About. A repository of MySQL solutions for HackerRank SQL Intermediate Certificate problems. 15%. Subdomains. HackerRank SQL Problem Solving Questions With Solutions # Related Topics: SQL SQL-Problem-Solving HackerRank. Please check 1. sql files for the solutions I submitted! Question1: Business Expansion Question2: Customer Spending Here is the certificate I got using the solutions This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . Hackerrank SQL Solution #13 Intermediate SQL - Interviews#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview #interview You signed in with another tab or window. subject_three) < 100; Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. 65%. Crack your coding interview and get hired. Why this video is 7. Make your changes, add new features, or fix issues. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. - Ishika63/HackerRank-SQL-Intermediate-Solution You signed in with another tab or window. So, without wasting any time, let’s jump to the solutions. 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. Blog; Scoring; SQL Exercises for Practice. Beginner Certification Merit Rewards : Write a query to find employee Ids along with names of all employees who worked in the HR Intermediate. Aggregation. _____ SUBSCRIBE Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Basic Welcome to HackerRank SQL (Intermediate) Skills Certification Test. sql & 2. Accelerate your Job Search. Basic Join. Basic Apr 1, 2023 · HackerRank SQL Intermediate Certification Solutions – FREE SQL Certification Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in Azhar Khan Verify your SQL Skills. Solutions By company size. CI/CD & Automation DevOps DevSecOps Resources. Ollivander's Inventory. You signed out in another tab or window. This repo has solutions for the questions asked in Hackerrank SQL Intermediate test as of 13th-April-2023. Medium SQL (Intermediate) Max Score: 30 Success Rate: 92. Sql-intermediate-hackerrank-solutions Hackerrank SQL Solution #7 Intermediate SQL - Ollivander's Inventory#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview 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, provided the solution also: Programs / Questions. Please make sure you are not interrupted during the test, as the timer cannot be paused once started. HackerRank offers SQL challenges for beginners and intermediate learners, covering topics such as select query, join, Take a 35-minute timed test to verify your SQL skills and get highlighted to companies. Easy. -sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-sql-certificate hackerrank-sql-solution hackerrank-sql-intermediate. Order your output by ascending This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Basic You signed in with another tab or window. Medium SQL (Intermediate) Max Score: 40 Success Rate: 97. 83%. sql files for the solutions I submitted! Hackerrank Intermediate SQL certification solutions with basic SQL quarries, Sub quarries and Aggregation functions. Binary Tree Nodes. May 31, 2024 · I have taken HackerRank test on 31st May 2024. Enterprise Teams Startups Education By Solution. Is Hackerrank SQL advanced certification useful for job applications? comments sorted by Best Top New Controversial Q&A Add a Comment. You signed in with another tab or window. Jun 3, 2022 · I have taken HackerRank test on 3rd June 2022. Blog; Scoring; Jun 20, 2024 · Effective solutions to hackerrank. SQL Practice Exercises for Beginners Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. I have taken HackerRank test on 9th Oct 2022. subject_one + b. This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. No. SQL (Intermediate) SQL (Advanced) Number of Problems: 40: 14: 4: Domains. Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. These solutions were completed during a test on August 21, 2023. Certificate can be viewed here. 49%. roll_number = b. CountryCode and COUNTRY. 92%. Basic Apr 7, 2023 · Full HackerRank SQL Basic Certification Solution Video Student Analysis SQL solution in SQL SELECT a. " Learn more where LAT_N is the northern latitude and LONG_W is the western longitude. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. total_price) AS DECIMAL(9,6)) AS total FROM customer c INNER JOIN invoice i ON c. Hakerrank SQL Intermediate Certification Solutions Welcome to HackerRank SQL (Intermediate) Skills Certification Test. Code; Issues 0; Pull requests 0; Actions; Projects 0; Security; Insights Files main. We have covered a wide range of topics in the sections beginner, intermediate and advanced. Breadcrumbs. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Each of the companies follows this hierarchy: Given the table schemas below, write a query to print the company_code, founder name, total number of lead managers, total number of senior managers, total number of managers, and total number of employees. Notifications You must be signed in to change notification settings; Fork 8; Star 18. - kilian-hu/hackerrank-solutions This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. Blog; Scoring; Hackerrank SQL Solution #9Intermediate SQL - Contest Leaderboard#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview #in All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. I have taken Solve SQL challenges of different levels and learn from the solutions. Medium SQL (Intermediate) Max Score: 30 Success Rate: 93. Get a certificate and join over 23 million developers on HackerRank. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. This collection provides solutions to the HackerRank SQL Certification Test problems. Basic. There are almost always multiple solutions to the same problem. Code; Issues 0; Pull requests 0; Actions; Contribute to vrushalird/HackerRank-SQL-Solutions development by creating an account on GitHub. Weather Observation Station 5 Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. DevSecOps DevOps CI/CD View all use cases certificate-intermediate-hackerrank. Click here to see more codes for NodeMCU ESP8266 and similar Family. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Dec 23, 2024 · Problem. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions where n not in (select n from root) and n not in (select distinct p from bst where p is not null)), Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Beginner Certification Merit Rewards : Write a query to find employee Ids along with names of all employees who worked in the HR department who earned a bonus of 5000 dollars or more in the last quarter. Customer_spending. Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. subject_two + b. 8223 words 42 min read ––– views. 15 Days of Learning SQL. This is the only video you will need to improve you karunakaran186 / Sql-intermediate-hackerrank-solutions Public. Skills -- to buy each non-evil wand of high power and age. This competency area includes the use of Routing, NgModules, Observables for data You signed in with another tab or window. The total scores for hackers 4806, 26071, 80305, and 49438 can be similarly calculated. #1 SQL: Merit Rewards On the basis of merit, a company decides to promote some of its employees in its HR division at the end of the quarter because of their high performance. Contest Leaderboard. Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in Recently, I achieved the HackerRank SQL Advanced Certification, and I’m excited to share my experience with all of you. 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. Alternative Queries. name FROM student_information a INNER JOIN examination_marks b ON a. Hacker Rank SQL. customer_spending. com My solutions to HackerRank challenges.  · All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Customer Spending. In this video I am solving the "Challenges" Problem on Hackerrank. Write a query to find the employee IDs along with the names of all its employees who work in the HR department who earned a bonus of 5000 dollars or more in the last quarter. Solution This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. NET HttpClient. The questions asked are Invoices Per Country and Product Sales Per City. Solutions By size. customer_id GROUP BY c. Published on November 5, 2020. sql files for the solutions I submitted! Question 1: Business Expansion. Status. ; Improve Apr 7, 2023 · The Merit Rewards SQL problem is a question presented in the HackerRank Basic SQL Certification exam. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. and finally how to write the specific code to implement the solution.