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