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