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