Sales data for all customers and products hackerrank solution sql server. Easy SQL (Advanced) Max Score: 25 Success Rate: 96.
Sales data for all customers and products hackerrank solution sql server Host and manage packages Security. -challenges coding-challenge hackerrank-python hackerrank-solutions interview-preparation hackerrank-cpp algorithms-and Jun 21, 2022 · The Sales Manager wanted a dashboard overview of internet sales that would give details on sales and the products customers liked most. 7. ; Online sales transactions, inventory, financials, customer and product information are captured in real-time in a transaction database. The analysis covers multiple dimensions and provides actionable insights to improve sales performance and optimize operations. ^ Chegg survey fielded between Effective solutions to hackerrank. Example Task: Write a query that groups data by a specific column and calculates the sum for each group. AI DevOps Security Software Development HackerRank-SQL(certification)-Product-Sales-Per-City. Medium. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. 1. The query should. Apr 6, 2023 · The subquery selects the sales_date (s. Product Actions. city_id. Mar 31, 2024 · Inside you will find the solutions to all HackerRank SQL Questions. Geography. Developed a Tableau Hackerrank contains 58 SQL based problems for interview practice, as i go through these will keep a solution bank here categorised into the three difficulties (basic, intermediate, advanced) This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. Effective solutions to hackerrank. Aug 9, 2024 · Python Solutions: Includes solutions to Python coding challenges, covering topics like data structures, algorithms, and more. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Every one of 230 SQL coding questions carefully curated, designed from business and product analytics perspective. This repository contains my solutions to the challenges, along with some explanations and any additional resources used. List all sales along with the corresponding Question: Sales Data for All Customers and ProductsWrite a query that will return sales details of all customers and products. Activities involved: Using GROUP BY and HAVING clauses to group and filter aggregated data. Write better code with AI hackerrank all solutions | hackerrank solutions for java | hackerrank video tutorial | hackerrank cracking the coding interview solutions | hackerrank data structures | hackerrank solutions algorithms | hackerrank challenge | hackerrank coding challenge | hackerrank algorithms solutions List Customer And Product Without Sale. Saved searches Use saved searches to filter your results more quickly · 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. 2. Each solution includes a brief explanation of the problem and my approach to solving it. mysql. Please visit each partner activation page for complete details. The first 20-30 minutes is primarily on SQL followed by a business or product case. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. Whether you're a beginner or an experienced developer, you'll find solutions and explanations for everything from basic queries to advanced data manipulation. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) A median is defined as a number separating the higher half of Contribute to omonimus1/HackerRank-Solutions development by creating an account on GitHub. products that were not sold. Aug 27, 2024 · This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Apr 13, 2023 · This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. id=invoice. Write better code with AI Security. Nerves can peak during the programming test, and even experienced developers might blank You signed in with another tab or window. You switched accounts on another tab or window. The technical screen round is usually 45 minutes. May 28, 2024 · Explore 15 SQL Server exercises for beginners, each with a solution and explanation to boost your T-SQL querying skills Exercise: Select all data from the Cat table. Reason: Grouping and aggregating data are necessary for summarizing data and performing aggregate calculations. S. Indexes Dec 12, 2023 · Correlated subqueries: Create subqueries that reference columns from the outer query, enabling context-aware filtering. Jun 3, 2024 · There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Apr 18, 2022 · Developed ETL mappings using SQL to extract the data from unstructured data and transformed it to the staging area to conduct data cleaning and design star schema data model on Tableau. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Print " N / A " for a null customer or product name, and 0 for a Apr 22, 2021 · While solving all SQL problems from HackerRank, I came across multiple solutions for the same problem. The CountryCode for America is USA. SQL Solutions: Provides solutions to SQL challenges, focusing on query writing, database management, and optimization. As part of the business expansion efforts at a Mar 5, 2023 · AdventureWorks is an online retailer that sells Bikes and Biking related items such as bike parts, biking protective gear, articles of clothing, etc. line_total_price), 2) AS tot FROM city ci, Jul 18, 2024 · Product GitHub Copilot. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Apr 1, 2023 · The questions asked are Invoices Per Country and Product Sales Per City in HackerRank SQL Intermediate Certification Exam and solution is Azhar Khan . sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Jun 4, 2023 · This solution has a runtime of 5329ms and it's faster than 46. Please checkout my solutions and make use of it for the learning purpose only. - Sushanth72/SQL-HackeRank-Solutions Welcome to the HackerRank SQL Problems repository! This collection features a variety of SQL challenges from HackerRank, designed to help you sharpen your SQL skills. The CITY table is described as follows: 2. Unsolved. Contribute to rabestro/hackerrank-sql development by creating an account on GitHub. Skills. Revising the Select Query II | Easy | Oct 22, 2024 · This query joins the Sales and Products tables on the product_id column, groups the results by product name, calculates the total sales revenue for each product, and ranks products based on total sales revenue using the · All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. These questions all test SQL and relational database skills, and are meant to be Jun 20, 2020 · where LAT_N is the northern latitude and LONG_W is the western longitude. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. clear all; Jul 10, 2023 · Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Automate any workflow Security. Listed below are the questions available in this repository. Thousands of customers across various industries trust HackerRank for tech recruiting. This table contains This project uses Power BI and SQL to analyze sales data, helping the company gain insights into sales trends, identify top-performing products, and target high-value customers. Status. Respondent base (n=611) among approximately 837K invites. Click here to see more codes for Raspberry Pi 3 and similar Family. Saved searches Use saved searches to filter your results more quickly Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Using SQL and Excel, I explored revenue trends, product performance, and customer behavior from 2016 to 2018. Learn more. Industry. Each solution is crafted to be efficient and clear, making this an excellent resource for anyone looking to strengthen their SQL skills. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/New Companies. customer_id. 12% of all SQL online submissions for this problem. SQL-Product-Sales-per-City files for the solutions I All SQL solutions for HackerRank's easy, medium, and hard challenges, executed on MS SQL and MySQL environments, compiled with helpful Resources & references related to the challenges. Dec 7, 2023 · The AdventureWorks2014 Sales Data Mart Project is a powerful data solution built on SQL Server and SQL Server Integration Services (SSIS). - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Customer Stories Partners Executive Insights Open Source Nov 5, 2020 · Post displaying HackerRank sql problem solving questions and solution. Use The UNION Operator In This Query. Dataset Relationship Mapping. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. So, make sure you select "MySQL" on HackerRank while answering questions. This repository contains solutions for Hacker Rank SQL problems. Contains solved Oct 11, 2023 · Saved searches Use saved searches to filter your results more quickly This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. - 12Ruturaj/HackerRank-SQL You signed in with another tab or window. The query should return all customersmer id, product id and invoice item id. . - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. Easy Navigation: Dec 16, 2023 · Amazon’s Second Earliest Bid Solution: To solve this Amazon SQL interview question, our goal is to identify the second bid placed by each customer on any day they make at least two bids. Apr 19, 2023 · List Customer And Product Without Sale In One List Return, All Customers Who Do Not Have An Invoice And All Products That Were Not Sold. - MayankOps/HackerRank-SQL-Certification-Test-Solutions You signed in with another tab or window. ; Medium: Intermediate-level SQL challenges. Your solution’s ready to go! Solutions for Hackerrank SQL problems. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. For each employee, determine the number of hours worked during the weekends. import clr In this repo, you can find solutions to SQL questions on HackerRank. The times that employees log in and out are recorded over the course of a month. The SQL problems on HackerRank have challenged me to improve my SQL skills and to think creatively about how to solve complex problems. I tried to provide those with explanation. Find and fix vulnerabilities Codespaces Customer Stories Partners Open Source GitHub Sponsors. Contribute to yonice7/hackerrank-sql-solutions development by creating an account on GitHub. HackerRank SQL Solutions 20 July 2020 You signed in with another tab or window. SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. This repository contains python solutions for some of the HackerRank problems from the SQL genre. Topics Product GitHub Copilot. This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. The test consists of two tasks that involve querying a database using SQL. FROM sales_amount s: The sales_amount table is aliased as s. Company Size. customers who used Chegg Study or Chegg Study Pack in Q2 2023 and Q3 2023. HackerRank SQL Solutions. There are many repos on the internet for the solutions of these questions. Find and fix vulnerabilities Customer Stories Partners Open Source GitHub Sponsors . Fund open source developers All Solutions in Hackerrank SQL Section. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Oct 28, 2023 · This repository contains the solutions to the HackerRank SQL (Intermediate) Skills Certification Test. 85%. · cracking-the-coding-interview algorithm-challenges coding-challenges hackerrank-solutions hackerrank-java hackerrank-algorithms-solutions algorithms-and-data-structures 30-days-of-code hackerrank-challenges data-structures-and-algorithms hackerrank-implementation hackerrank-problem-solutions hackerrank-ctci hackerrank-practice hackerrank You signed in with another tab or window. All Solutions are made in the MSSQL Syntax. Nov 1, 2024 · Dynamic Data Extraction: Practiced querying data with SQL to extract custom views for different business questions, such as top customers, and popular product categories. line_total_price,2) from city. - JawadSher/SQL-Problems-Solutions-HackerRank Learn who they are and how HackerRank helped transform their tech hiring. Find and fix The 8 Week SQL Challenge by Danny Ma is a series of case studies designed to help you improve your SQL skills. Terms and Conditions apply. In this repository, I have organized my solutions into different folders based on their focus of code. Top You signed in with another tab or window. Nov 8, 2024 · Write a query to find all customers who have made more than one purchase. You signed out in another tab or window. Furthermore, fill the SQL Server name Nov 5, 2024 · This project is an end-to-end analysis of sales data for a fictional BikeStore business. Tables This collection provides solutions to the HackerRank SQL Certification Test problems. These solutions can Apr 22, 2021 · Click here to see solutions for all Machine Learning Coursera Assignments. - Ishika63/HackerRank-SQL-Intermediate-Solution · Product GitHub Copilot. Find and fix vulnerabilities Customer Stories Partners Executive Insights Open Source GitHub Sponsors This repository contains my solutions to all the Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. 02%. I provided my own insights and unique solutions as much as I can. Working on those coding problems feels like working on your real day to day analytics job. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Contest-Leaderboard. We use cookies to Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Personal HackerRank Profile View Profile Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Query the 170+ solutions to Hackerrank. 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. Subquery in SELECT clause: Include a Product Actions. Jun 15, 2024 · 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. " Learn more Jun 10, 2024 · In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. You signed in with another tab or window. ; Online sales transactions, inventory, financials, customer and product · All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. ; Advanced: Expert-level problems and more complex Jun 8, 2024 · CodeRankGPT helps you solve HackerRank coding problems during your coding interview. About. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Click here to see more codes for NodeMCU ESP8266 and similar Family. Easy SQL (Advanced) Max Score: 25 Success Rate: 96. Mar 29, 2024 · You signed in with another tab or window. Mar 22, 2019 · SQL Server Data Source Configuration Window; Creating a data source. Individual results may vary. Jul 20, 2020 · My solutions to SQL problems on HackerRank # SQL Problems Page: https://www. HackerRank SQL Solutions 20 July 2020 Nov 5, 2020 · Query all columns for all American cities in the CITY table with populations larger than 100000. All my solutions are written in MySQL. inner join invoice on customer. View all solutions Resources Topics. Solution: SELECT * FROM Cat; This is an Contribute to jaimiles23/HackerRank_Solutions development by creating an account on GitHub. SQL-Business-Expansion and 2. You’ll apply SQL skills like joins, subqueries, and CTEs to explore product, order, and customer data. x), the exchange rate (e. Survey respondents were entered into a drawing to win 1 of 10 $300 e-gift cards. Firstly, name the data source as ContosoBIDataSource at Name field in the NEW DATA SOURCE window. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Sales Data for All Customers and ProductsWrite a query that will return sales details of all customers and products. ; Hard: Advanced-level SQL challenges. Reload to refresh your session. 50%. By detailing sales figures per city and Oct 11, 2023 · MahedeiHasan / Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Public Notifications You must be signed in to change notification settings Fork 9 Write a query that will return sales details of all customers and products. The goal is to make informed business decisions that could drive an Jul 20, 2020 · My solutions to SQL problems on HackerRank # SQL Problems Page: https://www. A collection of optimized SQL solutions to HackerRank challenges, showcasing a range of SQL skills including queries, joins, and data manipulation - ttng51/SQL-Server 4 days ago · In this repository you will find my answers to the SQL challenges proposed in HackerRank, from basic to advanced level. This repository contains all the solutions to the SQL questions listed in the Hackerrank platform , can be used by coders for reference purpose. They are organized around specific subjects, such as sales, customer data, or product information Grouping and Aggregating Data. By detailing sales figures per city and identifying customers who spent 25% or less than Feb 20, 2024 · In this project, I utilized MySQL Workbench to analyze extensive sales data from a supermarket. - qanhnn12/SQL-Hackerrank-Challenge-Solutions Oct 22, 2024 · 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. Annotated Code: Each solution is well-commented and explained to aid understanding and learning. Automate any workflow Packages. */ SELECT. Your This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. OK, Got it. sql at master · IhorVodko/Hackerrank_solutions This repository contains my solutions to various SQL challenges from HackerRank. Top. sql hackerrank ms-sql-server hackerrank-solutions hackerrank-challenges Jul 4, 2024 · The repository is organized as follows: Easy: Beginner-level SQL challenges. Return 3 Values: - Category - Is This This repository consists of solutions to HackerRank practice, tutorials, and interview preparation problems with Python, SQL, C++, and Java. Articles Works Shiny Snippets Resume A median is defined as a number separating the higher half of a data set from the lower half. She also wanted to compare sales over time against budget to Oct 11, 2023 · Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Sales Per City(Solution-1,2). Find and fix vulnerabilities Customer Stories Partners Executive Insights Open Source GitHub Sponsors The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Solution. See more This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Solved. Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. exchange_rate) and calculates a row number for each row. Hard. 24–Oct 12, 2023 among a random sample of U. inner join 3 days ago · You’ll use SQL to analyze a sales database and answer key questions to guide business strategy. How should we handle multiple datasets that share relationships with one another? If you refer to the database provided by Kaggle, there are 7 to 8 separate datasets that represents an e You signed in with another tab or window. The query shouldreturn all customers, even customers without invoices and also all products, even thoseproducts that were not sold. ^ These offers are provided at no cost to subscribers of Chegg Study and Chegg Study Pack. Each solution is designed to tackle a range of SQL problems, from basic queries to more complex database manipulation. Crack your coding interview and get hired. Sign in Product Actions. Source Code 4 In this solution, we use a RIGHT JOIN to combine rows from Sales and Product where the Oct 2, 2024 · AdventureWorks is an online retailer that sells Bikes and Biking related items such as bike parts, biking protective gear, articles of clothing, etc. In this project, we analyzed an Indian E-commerce store dataset from Kaggle, comprising 3 CSV files: List of Orders, Order Details, and Sales Target. Easy. orders ( order_id INT IDENTITY (1, 1) PRIMARY KEY, customer_id INT, order_status tinyint NOT NULL, -- Order status: 1 = Pending; 2 = Processing; 3 = Rejected; 4 = Completed order_date DATE Oct 26, 2021 · All Solutions in Hackerrank SQL Section. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. ; At the End of the day after the closing of business, data from the transaction database is Saved searches Use saved searches to filter your results more quickly 1. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice 2 List Customer and Product Without Sale Using the UNION operator in one list return all customers who do not have an invoice and all products that were not sold For each customer without an invoice return - the string customer - the SQL HackerRank Solutions This repository contains comprehensive solutions to all SQL challenges on HackerRank, designed to aid in your preparation and mastery of SQL. sql union. id=customer. Finally, a complete SQL coding interview preparation path all data scientists and data analysts will love. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Aug 23, 2020 · 1. Each case study presents a real-world business scenario, and you are tasked with answering a series of questions using SQL queries. Draw The Triangle 1. Explore and run machine learning code with Kaggle Notebooks | Using data from Sales and Customer data. Need to show the following columns (3) using UNION to return: First SQL returns this list –> All customers who do not have an invoice 408 Questions select 315 Questions snowflake-cloud-data-platform 186 Questions sql 14440 Questions sql-server 3289 Questions sql-server-2008 220 Aug 12, 2022 · Below are seven examples of the kinds of problems a data scientist or software engineer might face during a technical interview. We use cookies to ensure you have the Apr 23, 2023 · As a programmer, I enjoy working with SQL as it allows me to extract valuable insights from large datasets. Toggle navigation. No cash value. Visualization and Interpretation : Translated SQL-driven insights into an interactive Excel dashboard, strengthening data storytelling and visualization skills. inner join customer on city. Solution 2: Uses CTE to create master data and filters the CTE inside of where clauses. We use cookies to This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. -- HackerRank Note:-- - MUST USE MS SQL SERVER To use CTEs with MySQL. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering Nov 7, 2022 · About. Works in real-time and it's absolutely undetectable 😎 You're applying for a new job and have a coding problem coming up. /* Solution 1: Using temporary subqueries for each condition of displaying the names. Weather Observation Station 5 Query the two cities in 4 days ago · CREATE TABLE sales. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable 😎 This collection provides solutions to the HackerRank SQL Certification Test problems. ^ Chegg survey fielded between Sept. 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. ROUND(SUM(ii. File metadata and controls ,round(invoice_item. Kaggle uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Each link leads to the document containing both, the question statement and the answer, written in MS SQL Server (except for two short problems that were written in The analysis provided insights into sales performance, top-selling products, customer behavior, and sales trends. It efficiently extracts, transforms, and loads data from SQL Server into a star schema-based data model. Covered in subquery practice exercises 10, 11, 12, and 13. Role. Solve Challenge. If you are using a different SQL Language (for example MySQL) you might have to Nov 25, 2024 · Q ue 1. Write a query that gives month, monthly maximum, monthly minimum, monthly Jul 1, 2016 · Select the Python generator for the AverageRate column and use the following script to get the data: # The generator generates the currency rates based on the exchange rate date and currency codes. - LinconDash/Hackerrank-SQL-Solutions Hard SQL (Advanced) Max Score: 50 Success Rate: 78. orlzqk kazftb hodz fcvwk jknmsbk lmyq unhrrp ywwsjk ovoa jylir