Hackerrank sql intermediate solutions. com My solutions to HackerRank challenges.

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