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