Hackerrank sql intermediate certification solutions product sales per city If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. Updated Jul 25, You signed in with another tab or window. ; Data Modeling: Design efficient and effective database structures. This is a documentation of my Hackerrank solution for: Rest API (Intermediate) Certification ο»Ώ Test duration: 90 minutes ο»Ώ Number of questions: 2 This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I faced during the test. Get noticed by companies Candidates who successfully clear the test will be specially highlighted to companies when they apply to relevant roles. Automate any workflow In this Video you will Learn About - How to Write SQL Intermediate Level Code on Hackerrank . Click here to see more codes for NodeMCU ESP8266 and similar Family. Basic . Thanks to HackerRank for the opportunity to grow. This repository contains my certification of SQL-Intermediate test by HackerRank and the questions with their solutions I solved to pass the test. If there is more than one smallest or largest city, choose the one that Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. Full HackerRank SQL Basic Certification Solution Video Student Analysis SQL solution in SQL SELECT a. Solved queries This repository contains the solutions to the HackerRank SQL (Intermediate) Skills Certification Test. I have taken HackerRank test on 9th Oct 2022. I'll discuss my own path in This is throw-away code that is only supposed to correctly get the job done. Write better code with AI Security. Find and Skip to content. What are the different types of certification tests? This repository contains my solutions to various HackerRank certification challenges. sql","path":"Invoice Per Country. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Without Sales(solution-1,2). Click here to see more codes for Raspberry Pi 3 and similar Family. Query Optimization: Optimize your queries for better performance. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to This is my first git repository. 65%. hackerrank. To support the company's business expansion efforts, identify all customer-user pairs who have interacted more than once. Certificate can be viewed here. HackerRank SQL Solutions. Unions: Combine results from multiple queries efficiently. business_expansion. Navigation Menu Toggle navigation Product GitHub Copilot. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Skip to content Navigation Menu You signed in with another tab or window. cochiseandcumbria Joining the subquery result to product table reduces the rows involved in that join. (Feel free to fork and give it a star if itβs useful. The HackerRank Skills Certification Test is a standardized assessment to help developers prove their coding skills. sql files for the solutions I Hackerrank SQL (Basic) Skills Certification Test Solutions. changing the where clause to where rnk <= 5 would list top 5 selling products per city. You can view my certificate by clicking the link below: View HackerRank Certificate My journey of earning a SQL certification and tackling HackerRank SQL challenges. Plan and track work Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - nathan-abela/HackerRank-Solutions This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions If you would like to contribute to this repository, follow these steps: Fork the repository. Reload to refresh your session. sql and 2. So, without wasting any time, letβs jump to the solutions. sql","contentType":"file"},{"name If any new questions comes other than these, make sure to create PR/Issue. countrycode = country. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Revising the Select Query I β HackerRank Solution; Revising Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Here is the solution of Hacker Rank SQL Intermediate Questions I'm excited to announce that I've successfully completed the SQL intermediate test on HackerRank and received my certification! This achievement has boosted my SQL skills and improved my database knowledge, preparing me for more challenging data queries. 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. ; Improve Documentation: You signed in with another tab or window. github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank You signed in with another tab or window. NET HttpClient. adminazhar / -hackerrank-SQL-intermediate-skills-certification-test-solution. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. No. Solve Challenge. Automate any workflow Packages. Find and fix vulnerabilities Codespaces. Topics Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Enterprise Teams Startups By industry. By detailing sales figures per city and ---- Products Sales Per City (Solution_1) SELECT invoice. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Contribute to ejaj/SQL development by creating an account on GitHub. line_total_price FROM invoice_item as invoice_item JOIN product as product ON Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. of questions 2 questions. You signed out in another tab or window. Please check 1. Create a new branch for your contribution. sql files for the solutions I submitted! Java β’ Python β’ Sql. Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in Web Development Tutorial Playlist: https://www. continent, floor (avg (city. I have taken HackerRank test on 31st May 2024. This is a timed test. You signed in with another tab or window. Platform Help | Execution Environment | FAQ. I've achieved the SQL Intermediate Certification from HackerRank. customer_spending. All Solutions are made in the MSSQL Syntax. code group by country. - rewyekha/HackerRank-solutions-SQL Product Actions. ________ Post displaying HackerRank sql problem solving questions and solution. Updated Mar 24, Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Sign in Packages. We strongly believe that well-defined skills can help developers showcase their value regardless of pedigree. There are almost always multiple solutions to the same problem. where LAT_N is the northern latitude and LONG_W is the western longitude. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Sales Per City(Solution-1,2). com/ You signed in with another tab or window. ; Indexing: Explore the Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Contribute to karunakaran186/Sql-intermediate-hackerrank-solutions development by creating an account on GitHub. Make your changes, add new features, or fix issues. Manage code changes Intermediate. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. roll_number,a. The HackerRank Skills Certification Test is a standardized assessment aimed at evaluating a developerβs technical proficiency. sql files for the solutions I submitted! ##Question 1--> Product Without Sales. Instructions. The questions asked are Invoices Per Country and Product Sales Per City. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the You signed in with another tab or window. sql","path":"Customer-spending. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Product GitHub Copilot. Question 2: Product Sales Per City Objective Retrieve information about the total line prices for each product in each city, sorted in descending order of the total line prices. g. For each pair, provide the following details: Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification How to Earn SQL (Advanced) Certification on Hackerank ? In this video, you'll learn how to earn free certification from Hackerrank*****Impor This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Please If you want to get the products that does not exists in orderline table you can simply use LEFT join with WHERE orderline. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Hackerrank Intermediate SQL certification solutions with basic SQL quarries, Sub quarries and Aggregation functions. Star 7. Please Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. These are not the only solutions. This repo has solutions for the questions asked in Hackerrank SQL Intermediate test as of 13th-April-2023. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Solutions By size. md at master · adminazhar/-hackerrank-SQL-intermediate About. com/playlist?list=PL725CY54KY6JPgkikjL9-hANsKQeQjEO7Click here to Subscribe : https://www. Welcome to HackerRank SQL (Intermediate) Skills Certification Test. These challenges cover a wide range of programming topics and are designed to assess and validate your coding skills. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Inside you will find the solutions to all HackerRank SQL Questions. Sub-queries: Enhance your querying {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Customer-spending. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Each test consists of two problems, and their solutions are provided in . Binary Tree Nodes. - Kungfoowiz/Hacker-Rank-Certifications Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. Please Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. total_price) AS DECIMAL(9,6)) AS total FROM customer c INNER JOIN invoice i ON c. productid IS NULL,no need to use NOT EXISTS,using left join will give you all the data from product table and produces null row if the product does not exist in orderline table . Intermediate. ; Add Explanations: Provide detailed explanations of code and problem-solving approaches. United States. Write better code with AI Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in You signed in with another tab or window. Get Certificate. Please In this video I am solving the intermediate Certification Skills Test on Hackerrank. com Welcome to CarrY4U Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Web Development Tutorial Playlist: https://www. Articles Works Shiny Snippets HackerRank. Write better code with AI Code review. SELECT p. 50%. 2 Questions are asked, as of now 2 questions will be asked from Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Test duration 35 mins. Take your SQL expertise to the next level with advanced topics. Dive deeper into SQL with complex joins, unions, and sub-queries. Find and fix vulnerabilities © 2025 All rights reserved. Certificate can be viewed here. To associate your repository with the hackerrank-sql-solutions topic, visit Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Navigation Menu Toggle navigation. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. Recently, I achieved the HackerRank SQL Advanced Certification, and Iβm excited to share my experience with all of you. Contribute to pps24/HackerRank_SQL_skill-Basic-Intermediate-Advanced_Certification development by creating an account on GitHub. . Watch also my other videos for more SQL Certification Solutions. Business Expansion. I have taken HackerRank test on 3rd June 2022. population)) from city, country where city. GoTo Group #10106 Senior Software Engineer - Transport #1872 Senior Big Data Solutions Architect Java β’ R β’ Ruby β’ Sql. sql files for the solutions I We welcome contributions to enhance this collection of HackerRank 30 Days of Code solutions: Improve Existing Solutions: Optimize or clarify current solutions. This is the only video you will need to improve you You signed in with another tab or window. customer_id GROUP BY c. product_name, invoice_item. Host and manage packages Security. Customer_spending. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Invoice Per Country. Today, Iβm going to share HackerRank Certificate Solutions for Angular Intermediate. Customer Spending. How to Earn SQL (Advanced) Certification on Hackerank ? In this video, you'll learn how to earn free certification from Hackerrank*****Impor You signed in with another tab or window. sql","contentType":"file"},{"name The customer spending question answer of hacker rank is wrong the correct answer is SELECT c. It showcases my growth, challenges faced, and solutions offered. txt. Fe You signed in with another tab or window. custome Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Esolvit Inc #1873 Sharepoint Developer Use You signed in with another tab or window. By detailing sales figures per city and identifying customers who spent 25% or less than Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. You can find the full source code here . hackerrank-SQL-Intermediate-skills-certification-test-solution - TgGeda/HackerRank-SQL-Intermediate-Skills-Certification-Test Welcome to CarrY4U About. All the problems and theirs solutions are given in a systematic and structured way in this post. roll_number = This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . customer_name, CAST(SUM(i. Write better code with AI Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Skip to content. sql files. SELECT COUNT(CITY) β COUNT(DISTINCT CITY) FROM STATION ; X. Product Without Sales. select country. continent; β β Even-tual Reduction CodeChef Solution 19 July 2020 HackerRank Regex Solutions 20 July 2020 β β You signed in with another tab or window. Developed by Mohamed Elsayed. Will be adding SQL Advanced Questions soon in separate repo. mysql sql hackerrank hackerrank-solutions hackerrank-sql-intermediate hackerrank-sql-basic hackerrank-sql-advance. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Business Expansion(Solution-1,2,3). - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Skip to content Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. The STATION table is described as follows:. Weather You signed in with another tab or window. name FROM student_information a INNER JOIN examination_marks b ON a. where LAT_N is the northern latitude and LONG_W is the western I have used MySQL and MS SQL Server for the solutions. nb: using dense_rank also allows for "top n per" result, e. Navigation Menu Toggle navigation You signed in with another tab or window. Actions. Healthcare product-sales-per-city. Host and manage packages Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. As part of the business expansion efforts at a company, This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. 2 Questions are asked, as of now 2 questions will be asked from these Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Hacker rank SQL intermediate solution. In this article, Iβll walk you through two mysql station select update hackerrank insert hackerrank-solutions where orderby clause hackerrank-sql-solutions slq city-table city-entries. ) You signed in with another tab or window. This is just to help new developers to compete and learn. All Solutions in Hackerrank SQL Section. ##Question 2--> Customer Spending You signed in with another tab or window. Home; About Me; Services; Certificates; Portfolio; Contact Me; Developed by Mohamed ElsayedMohamed Elsayed You signed in with another tab or window. Business_expansion. city_name, product. DevSecOps DevOps CI/CD View all use cases By industry certificate-intermediate-hackerrank This repository contains my solutions for the HackerRank SQL Certification Tests at Basic, Intermediate, and Advanced levels. : number of characters in the name). This collection provides solutions to the HackerRank SQL Certification Test problems. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. I used the code stubs provided by HackerRank, so don't mind the unnecessary imports, naming convention and so on. Add this topic to your repo To associate your repository with the hackerrank-sql-certificate topic, visit your repo's landing page and select "manage topics. This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . Sign in Issues. You switched accounts on another tab or window. Code Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Why this video is 7. Solutions By company size. These concepts introduce more complex features and functionalities of SQL. - Ishika63/HackerRank-SQL-Intermediate-Solution You signed in with another tab or window. Enterprises Small and medium teams Startups By use case. id = i. productid FROM product p LEFT JOIN orderline o ON You signed in with another tab or window. Get certified with hakerrank SQL Interme This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. The test consists of two tasks that involve querying a database using SQL. e. " Learn more My solutions to the HackerRank REST API Intermediate Certification using C# . - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Products Sales Per City(Solution-1,2). This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. youtube. Complex Joins: Navigate through intricate relationships between tables. sql README; MIT license; Hackerrank SQL (Intermediate) Skills Certification Test Solution. Instant dev environments GitHub Copilot Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Please check 1. Please Saved searches Use saved searches to filter your results more quickly Host and manage packages Security. Skip to content. Is Hackerrank SQL advanced certification useful for job applications? comments sorted by Best Top New Controversial Q&A Add a Comment. Given the CITY and COUNTRY tables, query the names of all the continents Click here to see solutions for all Machine Learning Coursera Assignments. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. ; Multiple Language Implementations: Add solutions in other programming languages. - -hackerrank-SQL-intermediate-skills-certification-test-solution/README. Each challenge has a Taking up the HackerRank SQL certification has been a transformative experience that has helped me navigate the complexities of data analysis and shaped my SQL skills. sql & 2. SQL Intermediate Certification Hackerrank Solution https://www.
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