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