Hacker rank sql intermediate solutions Filter the results to include only countries with an average total price greater than the overall average total price across all countries. hackerrank. This is an intermediate SQL Problem. Structured Organization: Challenges are organized into folders based on topics (e. I have taken HackerRank test on 9th Oct 2022. Medium SQL (Intermediate) Max Score: 30 Success Rate: 92. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. It showcases my growth, challenges faced, and solutions offered. Skip to content. Medium SQL (Intermediate) Max Score: 40 Success Rate: 97. -- to buy each non-evil wand of high power and age. You signed in with another tab or window. Take the HackerRank Certification Test and showcase your knowledge as a HackerRank verified developer. 1. Raw. This repository contains the solutions to the HackerRank SQL (Intermediate) Skills Certification Test. Create a new branch for your contribution. Readme License. Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. Get certified with hakerrank SQL Interme Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. Solution – Binary Tree Nodes in SQL MySQL SELECT N, IF(P IS NULL,"Root",IF((SELECT COUNT(*) FROM BST WHERE P=B. Unsolved. DevSecOps DevOps CI/CD View all use cases certificate-intermediate-hackerrank. Accelerate your Job Search. Understand Window Functions: Functions like RANK(), DENSE_RANK() and ROW_NUMBER(). Please make sure you are not interrupted during the test, as the timer cannot be paused once started. Student Analysis SQL solution in SQL SELECT a. I will try my best to where LAT_N is the northern latitude and LONG_W is the western longitude. SQL (Basic) SQL (Intermediate) SQL (Advanced 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. For each pair, provide the following details: -- Write a query to print the hacker_id, name, and total score of the hackers ordered by the descending score. GPL-3. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. 03%. Reload to refresh your session. Contribute to ejaj/SQL development by creating an account on GitHub. These concepts introduce more complex features and functionalities of SQL. As part of the business expansion efforts at a company, your help is Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. Click here to see more codes for Raspberry Pi 3 and similar Family. -- Write a query to print the respective hacker_id and name of hackers who achieved full scores for This repository contains solutions to various SQL challenges and problems solved on HackerRank. 74%. Skills. 15%. You switched accounts on another tab or window. Contribute to karunakaran186/Sql-intermediate-hackerrank-solutions development by creating an account on GitHub. 2 You signed in with another tab or window. 0 license Activity. 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 This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. Medium SQL (Intermediate) Max Score: 30 Success Rate: 93. com You signed in with another tab or window. Curate this topic Add this topic to your repo If you would like to contribute to this repository, follow these steps: Fork the repository. Navigation Menu Toggle navigation. product_name, SUM(s. 95%. Here is the solution of Hacker Rank SQL Intermediate Questions Resources. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Welcome to HackerRank SQL (Intermediate) Skills Certification Test. You signed out in another tab or window. Problem; Input Format; (Population Census) is generated by Hacker Rank but the Solution is Provided by CodingBroz. , Algorithms, Data Structures, etc. Amber’s conglomerate corporation just acquired some new companies. HackerRank SQL Solutions. _____ SUBSCRIBE Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Medium SQL (Intermediate) Max Score: 40 Success Rate: 95. subject_two + b. Please check 1. This tutorial is only for Educational and Learning Purpose. My solutions to the HackerRank REST API Intermediate Certification using C# . customer_spending. 39%. total_price) AS DECIMAL(9,6)) AS total FROM customer c INNER JOIN invoice i ON c. File metadata and controls. NET HttpClient. Intermediate You signed in with another tab or window. -- If more than one wand has same power, sort the result in order of descending age Hackerrank Intermediate SQL certification solutions with basic SQL quarries, Sub quarries and Aggregation functions. Solution You signed in with another tab or window. - Kungfoowiz/Hacker-Rank-Certifications Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Placements. SQL Intermediate Certification Hackerrank Solution https://www. Enterprises Small and medium teams Startups By use case. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy each non Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. The questions asked are Invoices Per Country and Product Sales Per City. Intermediate. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Weather Observation Station 20. 76%. Get certified with hakerrank SQL Interme Welcome to HackerRank SQL (Intermediate) Skills Certification Test. Sign in Product HackerRank-Solutions / sql / intermediate / aggregation / weather-observation-station-20. Make your changes, add new features, or fix issues. Challenges. The goal of this repository is to document and share SQL queries that I have implemented to solve real-world scenarios and coding challenges. Difficulty: The difficult_level is the level of difficulty of the challenge, and score is the score of the challenge for the difficulty level. Copy path. 92%. Solve Challenge. SELECT DISTINCT CITY FROM STATION WHERE MOD(ID, 2) = 0; IX. Packages 0. Subqueries and Nested Queries. This competency area includes combining and analyzing data, performing data aggregations, configuring data sources and sinks, performing tuning, monitoring Spark jobs, performing transformations, and running SQL queries on streaming data, among others. g. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. We welcome contributions to enhance this collection of HackerRank 30 Days of Code solutions: Improve Existing Solutions: Optimize or clarify current solutions. ; Multiple Language Implementations: Add solutions in other programming languages. Resources. Basic Select Advanced Select Aggregation Basic Join Advanced Join Alternative Queries; Number of Problems: 20: 5: 17: 8: 5: 3: 1. The test consists of two tasks that involve querying a database using SQL. This is a timed test. The Merit Rewards SQL problem is a question presented in the HackerRank Basic SQL Certification exam. Inside you will find the solutions to all HackerRank SQL Questions. How to Earn SQL (Advanced) Certification on Hackerank ? In this video, you'll learn how to earn free certification from Hackerrank*****Impor Solution – African Cities in SQL MySQL select city. Stars. This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . Get Certificate. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. 18%. subject_three) < 100; This is one question solution to the HackerRank SQL Basic Certification problem and this Why this video is 7. roll_number GROUP BY b. SQL (Basic) SQL (Intermediate) SQL (Advanced Intermediate. 0 stars Watchers. 11 lines (8 loc) · 337 Bytes. 75%. SQL (Basic) SQL (Intermediate) SQL (Advanced Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Blame. SQL (Basic) SQL (Intermediate) SQL 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. Hacker Rank SQL. 19%. Top. Certificate can be viewed here. sql files for the solutions I submitted! Question1: Business Expansion Question2: Customer Spending Here is the certificate I got using the solutions Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution These concepts introduce more complex features and functionalities of SQL. Effective solutions to hackerrank. subject_one + b. SQL (Basic) SQL (Intermediate) You signed in with another tab or window. You can find me on hackerrank here . They are essential for building more sophisticated and robust queries, managing data relationships, and This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. sql files for the solutions I submitted! Question 1: Business Expansion. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. SQL (Basic) SQL (Intermediate) SQL Hacker rank SQL intermediate solution. custome In this video I am solving the "Challenges" Problem on Hackerrank. Give a star For my work. 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. HackerRank-Solutions / sql / intermediate / advanced-join / interviews. Here is the solution of Hacker Rank SQL Intermediate Questions. . At its core, problem-solving focuses on the Problem. These are not the only solutions. Watch also my other videos for more SQL Certification Solutions. Code Contains My journey of earning a SQL certification and tackling HackerRank SQL challenges. " Learn more You signed in with another tab or window. Instructions. md at master · adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Medium SQL (Intermediate) Max Score: 30 Success Rate: 93. code and country. 65%. Write a query to print the respective hacker_id and name of hackers who achieved full scores for more than one challenge. Ollivander's Inventory. name from city, country where city. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Programs / Questions. In other words, find the Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. customer_id GROUP BY c. SQL (Basic) SQL (Intermediate) SQL My solutions to SQL problems on HackerRank # SQL Problems Page: https://www. 2 Questions were asked, as of now 2 questions will be asked from these questions(I hope so), provided the solution also: Welcome to 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 interviews. Query: SELECT p. 15 Days of Learning SQL. So, without wasting any time, let’s jump to the solutions. -- If more than one hacker achieved the same total score, then sort the result by ascending hacker_id. MIT license Activity. 0 forks Report repository Releases No releases published. Platform Help | Execution Environment | FAQ. Programmers must first understand how a human solves a problem, then understand how to translate this "algorithm" into something a computer can do, and finally how to write the specific code to implement the solution. I have used MySQL and MS SQL Server for the solutions. After your test cases get passed!!!! Happy Learning!!!! About. - -hackerrank-SQL-intermediate-skills-certification-test-solution/README. The HackerRank Skills Inside you will find the solutions to all HackerRank SQL Questions. To support the company's business expansion efforts, identify all customer-user pairs who have interacted more than once. HackerRank SQL (Intermediate) Skills Certification Test Solution - HackerRank-SQL-Intermediate-Certificate-solution/README. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. N)>0,"Inner","Leaf")) FROM BST AS B ORDER BY N; Disclaimer: The above Problem (Binary Tree Nodes) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Hackerrank Intermediate SQL certification solutions with basic SQL quarries, Sub quarries and Aggregation functions. ). The total scores for hackers 4806, 26071, 80305, and 49438 can be similarly calculated. countrycode = country. Student Analysis. business_expansion. Feel free to ask doubts in the comment section. Table of Contents. -- 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. Customer Spending. Basic. 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. My solutions to HackerRank challenges. Order your output by ascending 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 #13 Intermediate SQL - Interviews#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview #interview Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Merit Rewards. sql and 2. name FROM student_information a INNER JOIN examination_marks b ON a. This is the only video you will need to improve you Contribute to vrushalird/HackerRank-SQL-Solutions development by creating an account on GitHub. 83%. SQL (Basic) SQL (Intermediate) SQL This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. Problem; Solution – Symmetric Pairs in SQL. Activities involved: Writing and using subqueries in SELECT, FROM, WHERE clauses. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/SQL Project Planning. These Contain Some SQL Programming Solution of Hacker Rank😏 Add a description, image, and links to the hackerrank-sql-solution topic page so that developers can more easily learn about it. sql files for the solutions I Verify your SQL Skills. customer_name, CAST(SUM(i. Problem Descriptions. Verify your SQL Skills. Retrieve information about each country's name, the count of customers, and the average total price of their invoices. Status. I have taken HackerRank SQL (Intermediate) Certificate test on 10th November 2024. Solutions By company size. Basic . New Companies. Hacker 84072 submitted solutions for challenges 49593 and 63132, so the total score = 100 + 0 = 100. hacker_id, name, and the sums of total_submissions,-- total_accepted_submissions, total_views, and total_unique_views for each contest sorted by contest_id. Basic Select Apache Spark is an open-source software framework built on top of the Hadoop distributed processing framework. 0 Objective. Hackerrank SQL Solution #10 Intermediate SQL - SQL Project Planning#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. roll_number,a. sql files for the solutions I submitted! Click here to see solutions for all Machine Learning Coursera Assignments. ; Add Explanations: Provide detailed explanations of code and problem-solving approaches. . Automated the process of adding solutions using Hackerrank Solution Crawler . These Contain Some SQL Programming Solution of Hacker Rank😏 SQL Practice Exercises for Intermediate. Solved. ; Clear Explanations: Each solution includes comments and explanations to help you understand the approach. I have taken HackerRank test on 22 July 2022. id = i. This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. 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. Business_expansion. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) In this video I am solving the intermediate Certification Skills Test on Hackerrank. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. ; Multiple Languages: Where possible, solutions are provided in multiple programming languages. Code. 82%. 1 watching Forks. Hello coders, today we are going to solve Symmetric Pairs HackerRank Solution in SQL. Solving problems is the core of computer science. roll_number HAVING SUM(b. Click here to see more codes for NodeMCU ESP8266 and similar Family. Explore my GitHub repository to learn from my experiences and find inspiration for your SQL learning path. There are almost always multiple solutions to the same problem. This is a documentation of my Hackerrank solution for: Rest API (Intermediate) Certification Test duration: 90 minutes Number of questions: 2 The customer spending question answer of hacker rank is wrong the correct answer is SELECT c. Hakerrank SQL All the problems and theirs solutions are given in a systematic and structured way in this post. SQL Project Planning. Test duration 35 mins. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. Contest Leaderboard. About. You can also visit: HackerRank C Language Solutions Saved searches Use saved searches to filter your results more quickly Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. sql. Easy SQL (Intermediate)Max Score: 30 Success Rate: Hackers: The hacker_id is the id of the hacker, and name is the name of the hacker. Top Competitors. ________ Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. MySQL; Problem. These solutions were completed during a test on August 21, 2023. SQL (Basic) SQL (Intermediate) Hello coders, today we are going to solve Population Census HackerRank Solution in SQL. SQL (Basic) SQL (Intermediate) SQL Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. sql at master · IhorVodko/Hackerrank_solutions In this Video you will Learn About - How to Write SQL Intermediate Level Code on Hackerrank . HackerRank-Solutions / sql / intermediate / advanced-join / symmetric-pairs. - Ishika63/HackerRank-SQL-Intermediate-Solution Welcome to HackerRank SQL (Intermediate) Skills Certification Test. sql & 2. (Symmetric Pairs) is generated by Hacker Rank but the Solution is Provided by CodingBroz. This is one question solution to the HackerRank SQL Basic Certification problem and this is shared for your increasing knowledge. 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. Rank products based on total sales revenue. Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. 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. Weather Observation Station 5. Order your output in descending order by the total number of challenges in which the hacker You signed in with another tab or window. Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. Revising the Select Query I – HackerRank Solution; Revising Saved searches Use saved searches to filter your results more quickly You signed in with another tab or window. Solutions of more than 380 problems of Hackerrank across several domains. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Hacker 4071 submitted solutions for challenges 19797 and 49593, so the total score = 95 + max(43, 96) = 191. of questions 2 questions. roll_number = b. Certificate can be viewed Here This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions Hacker 74842 submitted solutions for challenges 19797 and 63132, so the total score = max(98, 5) + 76 = 174. Hackerrank SQL (Basic) Skills Certification Test Solutions. Click here to see more codes for Arduino Mega (ATMega 2560) and similar Family. #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. md at main · anugrahk21/HackerRank-SQL-Intermediate-Certificate-solution This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. SQL (Intermediate) SQL (Advanced) Number of Problems: 40: 14: 4: Domains. Binary Tree Nodes. sql sql-server hackerrank sql-query sqlserver hackerrank-solutions hackerrank-sql hackerrank-sql-solutions hacker-rank hackerrank-sql-challenge. continent='Africa'; Disclaimer: The above Problem (African Cities) is generated by Hacker Rank but the Solution Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Business Expansion. I've achieved the SQL Intermediate Certification from HackerRank. Customer_spending. Updated Oct 18, 2020; TSQL; Srimanta11 / SQL. The Certificate can be viewed here . No. 85%. total_price) AS total_revenue, SQL Exercises : SQL Practice with Solution for Beginners The solutions cover a wide range of SQL challenges, from basic queries to more advanced concepts such as aggregations, joins, and subqueries. Learn how to use them effectively with the OVER() clause, including the ORDER BY and PARTITION BY options. Interviews. HackerRank-Solutions / sql / intermediate / basic-join / top-competitors. Weather Observation Station 4. HackerRank-Solutions / sql / intermediate / basic-join / the-report. Hacker rank SQL intermediate solution. Please check 1. Hackerrank SQL Solution #8 Intermediate SQL - Challenges#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview #interviewp Hackerrank SQL Solution #1Intermediate SQL - Weather Observation Station 5#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #int Medium SQL (Intermediate) Max Score: 40 Success Rate: 95. Medium SQL (Intermediate) Max Score: 40 Success Rate: 93. HackerRank-Solutions / sql / intermediate / advanced-join / sql-project-planning. 50%. Star 9. - Ishika63/HackerRank-SQL-Intermediate-Solution Hackerrank SQL Solution #5Intermediate SQL - The Report#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview #interviewpr Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. ; Improve Documentation: Saved searches Use saved searches to filter your results more quickly You signed in with another tab or window. Let N be the number of CITY entries in STATION, and let N’ be the number of distinct CITY names in STATION; query the value of N-N’ from STATION. Problem. lgfshgrbsmmehsctrffxhcijdajhvwtxbzmbvojunxturqut