Sales data for all customers and products sql hackerrank solution. You signed out in another tab or window.
- Sales data for all customers and products sql hackerrank solution For each customer, display their name and the amount spent to 6 decimal places. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in a MySQL environment. Company : DunzoSQL Coding 2 :Sales Data for All Customers and Products Answer) SELECT IFNULL(customer_name, "N/A") customer_name, IFNULL(product_name, "N/A") All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Basic . The certificate can be viewed here. Customer_spending. Query: SELECT s. Example Task: Write a query that groups data by a specific column and calculates the sum for each group. com practice problems using Python 3, 小++ and Oracle SQL - marinskiy/HackerrankPractice You signed in with another tab or window. Each solution is crafted to be efficient and clear, making this an excellent resource for anyone looking to strengthen their SQL skills. My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - 07Agarg/HackerRank_Solutions Sales Data for All Customers and ProductsWrite a query that will return sales details of all customers and products. Student Analysis. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Indexes This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Watch all Easy Hackerrank SQL Problems solved in this video. id = ii. Intermediate SQL HackerRank Solutions This repository contains comprehensive solutions to all SQL challenges on HackerRank, designed to aid in your preparation and mastery of SQL. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 馃帗. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Click here to see more codes for NodeMCU ESP8266 and similar Family. Personal HackerRank Profile View Profile Search our library of 100M+ curated solutions that break down your toughest questions. Ask Question Asked 3 years, 6 months ago. Jan 22, 2025 路 This query joins the Sales and Products tables on the product_id column, groups the results by product name, and calculates the total sales revenue for each product. . sql files for the solutions I submitted! Hacker Rank SQL. 2024 among a random sample of U. Given a table named . This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. - Sushanth72/SQL-HackeRank-Solutions Apr 1, 2023 路 Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. As a data analyst at IBM, you have been asked to analyze sales data from the IBM e-commerce platform. Hackerrank SQL Solution |#23 new companies| SQL|Data Analyst ExplorersDive into SQL mastery with our Data Analyst Explorers series! 馃搳 In this video, we diss This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . 170+ solutions to Hackerrank. product_name order by tot Aug 13, 2021 路 Sales Data for all customers and products. These are the rows you want in the result. Questions - Products Without Sales; Product Sales Per City The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Jan 24, 2024 路 SQL Question 8: Average Sales of IBM Products. Jul 11, 2020 路 The actual question is all customers details even those without invoices and all products even those which are not sold. After your test cases get passed!!!! Happy Learning!!!! I have used MySQL and MS SQL Server for the solutions. This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . 1 Revising the Select Query I SQL 2 Revising the Select Query II SQL Welcome to my repository of SQL solutions for all the challenges on HackerRank. customer_name, p. - Ishika63/HackerRank-SQL-Intermediate-Solution But let say I only want to show the the city/cities where someone has done at least 2 orders, and that there are two customers living in this city/cities, so what I want to do is to pick out the city/cities where a customer has made at least 2 orders, but then show the total sales amount for both the customers living in this city, even if the All Solutions in Hackerrank SQL Section. If multiple contestants have the same score in a contest, they are at the same rank. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. List all sales along with the corresponding product names. id = i. sale_id, p. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Apr 6, 2023 路 The subquery selects the sales_date (s. Apr 10, 2022 路 Why this video is 7. SQL-Business-Expansion and 2. Note: Round the average to the nearest integer You signed in with another tab or window. The test consists of two tasks that involve querying a database using SQL. Schema There are 2 tables: customer, invoice customer Name Type Description id int This …. id group by ci. Oct 11, 2023 路 I took the HackerRank test on 10/11/2023. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable 馃槑 Thousands of customers across various industries trust HackerRank for tech recruiting Industry Industry Financial Services Technology More Solution Solution Industry (HRW) University (HRC) Lateral / Internal Mobility Contigency / Agency Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. 12. I also know I need a ROLLUP function to tally the total on the row below, but I haven't come to that part of my solution yet. product_id; Output: Aug 12, 2022 路 During an SQL interview problem, candidates receive sets of data tables, input formats, and output formats and are challenged to perform a series of queries or functions with that data. quantity), 0) AS quantity FROM customer c LEFT JOIN invoice i on c. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. This is the only video you will need to improve you Grouping and Aggregating Data. I have taken HackerRank test on 9th Oct 2022. customer_id and i. id = cu. Please check 1. In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. productid LEFT JOIN will list all rows in product even when there is no JOIN partner in orderline. This repository contains solutions to HackerRank SQL challenges ranging from There is a tale with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Topics Jul 1, 2022 路 All in all, I know my code needs to partition over the customer id, and will need some way to rank and output the top #1 customer. Click here to see more codes for Raspberry Pi 3 and similar Family. Is Hackerrank SQL advanced certification useful for job applications? comments sorted by Best Top New Controversial Q&A Add a Comment cochiseandcumbria • This collection provides solutions to the HackerRank SQL Certification Test problems. Resources This repository is a comprehensive collection of SQL case studies, solutions to problems from various platforms, and advanced projects, all designed to demonstrate my proficiency in SQL. Give a star For my work. sql files for the solutions I submitted! Here you will be able to find my HackerRank solutions to many challenghes, using C++, JavaScript, Python and SQL Correlated Materials Visit my Competitive programming guide and see also my HackerRank, GeeksForGeeks, Leetcode and other online judges solutions You signed in with another tab or window. product_id = pr. product_id, ii. Thousands of customers across various industries trust HackerRank for tech recruiting Industry Industry Financial Services Technology More Solution Solution Industry (HRW) University (HRC) Lateral / Internal Mobility Contigency / Agency Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges. " You signed in with another tab or window. You signed out in another tab or window. Please checkout my solutions and make use of it for the learning purpose only. Sub-queries: Enhance your querying skills with nested queries. Mar 24, 2018 路 Add this topic to your repo To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. Activities involved: Using GROUP BY and HAVING clauses to group and filter aggregated data. Works in real-time and it's absolutely undetectable 馃槑 You're applying for a new job and have a coding problem coming up. Customer Spending. Write a query that gives month, monthly maximum, monthly minimum, mnthly average temperatures for the six months. productid IS NULL ORDER BY product. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution This repository consists of solutions to HackerRank practice, tutorials, and interview preparation problems with Python, SQL, C++, and Java. Reason: Grouping and aggregating data are necessary for summarizing data and performing aggregate calculations. Each solution includes a brief explanation of the problem and my approach to solving it. There are almost always multiple solutions to the same problem. Reload to refresh your session. SQL query for overview of purchased products per user. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. - JawadSher/SQL-Problems-Solutions-HackerRank Hackerrank SQL (Basic) Skills Certification Test Solutions. Hacker rank SQL intermediate solution. As per the question title I would like to understand which SQL would be efficient and why based on the below solutions assuming the data volumes are high in both the tables PRODUCTS( millions of rows ) AND SALES( billions of rows ). sql and 2. 馃搳 This repository serves as a valuable resource for SQL practitioners, offering a variety of case studies You signed in with another tab or window. invoice_id and ii. product_name, ROUND(sum(ii. Crack your coding interview and get hired. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Mar 31, 2024 路 Query the following two values from the STATION table: The sum of all values in LAT_N rounded to a scale of 2 decimal places. Apr 22, 2021 路 Click here to see solutions for all Machine Learning Coursera Assignments. The CITY table is described as follows: You signed in with another tab or window. This repository contains python solutions for some of the HackerRank problems from the SQL genre. You switched accounts on another tab or window. Apr 21, 2014 路 SELECT product. This table contains sales data, including the sales_date, sales_amount, and currency. Intermediate. sql & 2. Sep 14, 2023 路 List all customers who spent 25% or less than the average amount spent on all invoices. These solutions are categorized by difficulty level and domain to make it easier to navigate and find what you need. These are not the only solutions. Modified 4 months ago. In this post, we will be covering all the solutions to SQL on the HackerRank platform. SQL-Product-Sales-per-City files for the solutions I submitted! Jun 20, 2020 路 It’s one of the most sought languages desired by the employers as the volume of data is increasing, in order to access the humongous data from respective databases, it is important to know this skill which would help you retrieve, update and manipulate data. As part of the business expansion efforts at a company, your help is needed to find all pairs of customers and agents who You signed in with another tab or window. This repository contains the solutions to the HackerRank SQL (Intermediate) Skills Certification Test. id ORDER BY c. with columns , , , and , write a SQL query to find out the average sales quantity for each product on a monthly basis. See full list on github. This repository contains a comprehensive set of SQL queries for every problem I've solved on the platform, categorized by difficulty and topic. This is what I have so far. Unions: Combine results from multiple queries efficiently. Whether you're a beginner or an experienced developer, you'll find solutions and explanations for everything from basic queries to advanced data manipulation. - qanhnn12/SQL-Hackerrank-Challenge-Solutions You signed in with another tab or window. Basic. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Problem. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. I tried to provide those with explanation. This collection features a variety of SQL challenges from HackerRank, designed to help you sharpen your SQL skills. The query shouldreturn all customers, even customers without invoices and also all products, even thoseproducts that were not sold. The objective was to gain insights into various aspects of the sales, including revenue generation, top-selling branches, customer segmentation, popular products, payment methods, and sales trends. Apr 22, 2021 路 While solving all SQL problems from HackerRank, I came across multiple solutions for the same problem. Business_expansion. SELECT c. The sum of all values in LONG_W rounded to a scale of 2 decimal places. SQL interview questions can cover a wide range of database concepts , including normalization, transactions, subqueries, joining, and ordering. Oct 11, 2023 路 github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio hackerrank-sql-certificate hackerrank-sql-solution hackerrank-intermediate-sql The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. - All-HackerRank-SQL-Challenges-Solutions/README. CodeRankGPT helps you solve HackerRank coding problems during your coding interview. FROM sales_amount s: The sales_amount table is aliased as s. In that case all columns in orderline have NULL values. customer_id LEFT JOIN invoice_item ii ON ii. city_id and cu. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Programs / Questions. select ci. id This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. The questions asked are Invoices Per Country and Product Sales Per City. 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. " Country code | hackerrank Mysql certification solution Write a query to retrieve a list of all customer ids, names, and phone numbers, with their country codes concatenated with their phone numbers. Contribute to ejaj/SQL development by creating an account on GitHub. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 馃帗. Merit Rewards. exchange_rate) and calculates a row number for each row. line_total_price), 2) as tot from city ci, customer cu, invoice i, invoice_item ii, product pr where ci. S. com Apr 1, 2023 路 Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. Hackerrank SQL (Basic) Skills Certification Test Solutions. Query all columns (attributes) for every row in the CITY table. These solutions can be used as a reference for other learners or as a way to practice and improve SQL skills. Complex Joins: Navigate through intricate relationships between tables. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Add this topic to your repo To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. Write a query to list the contestants ranked in the top 3 for each contest. Example Input: Jan 14, 2024 路 Dive into SQL mastery with our Data Analyst Explorers series! 馃搳 In this video, we dissect HackerRank's SQL challenge, offering a step-by-step solution to bo Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 馃帗. Welcome to the HackerRank Challenge Solutions repository! 馃帀 This repository contains my solutions to various coding challenges on HackerRank . Nerves can peak during the programming test, and even experienced developers might blank This repository contains my solutions to all the HackerRank SQL Practice Questions. Apr 1, 2023 路 Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. customers who used Chegg Study or Chegg You signed in with another tab or window. Sort the output in the order of their customer_id . Business Expansion. In this project, I utilized MySQL Workbench to analyze extensive sales data from a supermarket. 0. invoice_id = i. Top Each solution includes a brief explanation of the problem and my approach to solving it. Dive deeper into SQL with complex joins, unions, and sub-queries. md at main · kumod007/All-HackerRank-SQL-Challenges-Solutions HackerRank concepts & solutions. Your solution’s ready to go! About. _____ SUBSCRIBE!Do you want to understand how to solve SQL This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. Order the result by the amount spent from high to low. Please check 1. customerid, p. productid FROM product LEFT JOIN orderline USING (productid) WHERE orderline. product_name FROM Sales s JOIN Products p ON s. x), the exchange rate (e. Domains Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 馃帗. The query should return all customersmer id, 锘縫roduct id and invoice item id. Certificate can be viewed here. city_name, pr. Question: Sales Data for All Customers and ProductsWrite a query that will return sales details of all customers and products. product_name, Coalesce((ii. id LEFT JOIN product p ON ii. product_id = p. All Solutions are made in the MSSQL Syntax. This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. krfo ufwin rxnycs nwxr lfwqi fclqqs itwjh pmi xshvd ncfao ukp vhhye ifvg vganc vsucg