Sales data for all customers and products hackerrank solution sql server 12% of all SQL online submissions for this problem. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. - 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. No cash value. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Your solution’s ready to go! Solutions for Hackerrank SQL problems. 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. ROUND(SUM(ii. Dec 7, 2023 · The AdventureWorks2014 Sales Data Mart Project is a powerful data solution built on SQL Server and SQL Server Integration Services (SSIS). Each solution is crafted to be efficient and clear, making this an excellent resource for anyone looking to strengthen their SQL skills. View all solutions Resources Topics. Please visit each partner activation page for complete details. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Kaggle uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. 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. Finally, a complete SQL coding interview preparation path all data scientists and data analysts will love. Visualization and Interpretation : Translated SQL-driven insights into an interactive Excel dashboard, strengthening data storytelling and visualization skills. This repository contains my solutions to the challenges, along with some explanations and any additional resources used. This repository contains solutions for Hacker Rank SQL problems. Articles Works Shiny Snippets Resume A median is defined as a number separating the higher half of a data set from the lower half. 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. - 12Ruturaj/HackerRank-SQL You signed in with another tab or window. Medium. 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. inner join invoice on customer. The first 20-30 minutes is primarily on SQL followed by a business or product case. 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. Mar 31, 2024 · Inside you will find the solutions to all HackerRank SQL Questions. File metadata and controls ,round(invoice_item. The query should return all customersmer id, product id and invoice item id. Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. They are organized around specific subjects, such as sales, customer data, or product information Grouping and Aggregating Data. Solution. 1. See more This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Skills. 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. Write better code with AI Security. The times that employees log in and out are recorded over the course of a month. The technical screen round is usually 45 minutes. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Every one of 230 SQL coding questions carefully curated, designed from business and product analytics perspective. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. " Learn more Jun 10, 2024 · In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. 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. 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. ; Medium: Intermediate-level SQL challenges. Example Task: Write a query that groups data by a specific column and calculates the sum for each group. Thousands of customers across various industries trust HackerRank for tech recruiting. Click here to see more codes for NodeMCU ESP8266 and similar Family. Solution 2: Uses CTE to create master data and filters the CTE inside of where clauses. Host and manage packages Security. customers who used Chegg Study or Chegg Study Pack in Q2 2023 and Q3 2023. 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. Reason: Grouping and aggregating data are necessary for summarizing data and performing aggregate calculations. Automate any workflow Packages. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Aug 23, 2020 · 1. ; Online sales transactions, inventory, financials, customer and product information are captured in real-time in a transaction database. These solutions can Apr 22, 2021 · Click here to see solutions for all Machine Learning Coursera Assignments. Each solution includes a brief explanation of the problem and my approach to solving it. HackerRank SQL Solutions. Industry. Find and fix vulnerabilities Customer Stories Partners Open Source GitHub Sponsors . - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Sales Per City(Solution-1,2). It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. SQL Solutions: Provides solutions to SQL challenges, focusing on query writing, database management, and optimization. The CITY table is described as follows: 2. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. 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. city_id. 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. Status. Weather Observation Station 5 Query the two cities in 4 days ago · CREATE TABLE sales. Effective solutions to hackerrank. 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. SQL-Business-Expansion and 2. customer_id. Top You signed in with another tab or window. . id=invoice. ^ Chegg survey fielded between Effective solutions to hackerrank. 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. 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. This repository contains python solutions for some of the HackerRank problems from the SQL genre. 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. Activities involved: Using GROUP BY and HAVING clauses to group and filter aggregated data. So, make sure you select "MySQL" on HackerRank while answering questions. 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. products that were not sold. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Mar 29, 2024 · You signed in with another tab or window. Product Actions. Toggle navigation. inner join customer on city. ^ Chegg survey fielded between Sept. 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. -- HackerRank Note:-- - MUST USE MS SQL SERVER To use CTEs with MySQL. 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. Covered in subquery practice exercises 10, 11, 12, and 13. 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. clear all; Jul 10, 2023 · Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. It efficiently extracts, transforms, and loads data from SQL Server into a star schema-based data model. Aug 27, 2024 · This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Explore and run machine learning code with Kaggle Notebooks | Using data from Sales and Customer data. 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. Nerves can peak during the programming test, and even experienced developers might blank You signed in with another tab or window. - 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. 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. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. Sign in Product Actions. The CountryCode for America is USA. 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. x), the exchange rate (e. Unsolved. OK, Got it. You signed out in another tab or window. Listed below are the questions available in this repository. Terms and Conditions apply. id=customer. All Solutions are made in the MSSQL Syntax. sql hackerrank ms-sql-server hackerrank-solutions hackerrank-challenges Jul 4, 2024 · The repository is organized as follows: Easy: Beginner-level SQL challenges. Contribute to rabestro/hackerrank-sql development by creating an account on GitHub. 7. Hard. 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. Role. Click here to see more codes for Raspberry Pi 3 and similar Family. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering Nov 7, 2022 · About. Individual results may vary. Each case study presents a real-world business scenario, and you are tasked with answering a series of questions using SQL queries. 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. 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. mysql. /* Solution 1: Using temporary subqueries for each condition of displaying the names. You switched accounts on another tab or window. About. 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. 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. Geography. The query shouldreturn all customers, even customers without invoices and also all products, even thoseproducts that were not sold. Easy SQL (Advanced) Max Score: 25 Success Rate: 96. Subquery in SELECT clause: Include a Product Actions. I tried to provide those with explanation. Indexes Dec 12, 2023 · Correlated subqueries: Create subqueries that reference columns from the outer query, enabling context-aware filtering. We use cookies to This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. Reload to refresh your session. Nov 8, 2024 · Write a query to find all customers who have made more than one purchase. Firstly, name the data source as ContosoBIDataSource at Name field in the NEW DATA SOURCE window. Personal HackerRank Profile View Profile Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Fund open source developers All Solutions in Hackerrank SQL Section. Query the 170+ solutions to Hackerrank. - LinconDash/Hackerrank-SQL-Solutions Hard SQL (Advanced) Max Score: 50 Success Rate: 78. Jul 20, 2020 · My solutions to SQL problems on HackerRank # SQL Problems Page: https://www. 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. Dataset Relationship Mapping. ; Hard: Advanced-level SQL challenges. Use The UNION Operator In This Query. line_total_price), 2) AS tot FROM city ci, Jul 18, 2024 · Product GitHub Copilot. All my solutions are written in MySQL. inner join 3 days ago · You’ll use SQL to analyze a sales database and answer key questions to guide business strategy. Find and fix vulnerabilities Codespaces Customer Stories Partners Open Source GitHub Sponsors. Learn more. There are many repos on the internet for the solutions of these questions. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. Company Size. - 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 . Your This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Jun 4, 2023 · This solution has a runtime of 5329ms and it's faster than 46. The SQL problems on HackerRank have challenged me to improve my SQL skills and to think creatively about how to solve complex problems. The test consists of two tasks that involve querying a database using SQL. Please checkout my solutions and make use of it for the learning purpose only. HackerRank SQL Solutions 20 July 2020 You signed in with another tab or window. 02%. Draw The Triangle 1. Using SQL and Excel, I explored revenue trends, product performance, and customer behavior from 2016 to 2018. 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. The query should. You’ll apply SQL skills like joins, subqueries, and CTEs to explore product, order, and customer data. Solve Challenge. 2. 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. 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. Each solution is designed to tackle a range of SQL problems, from basic queries to more complex database manipulation. She also wanted to compare sales over time against budget to Oct 11, 2023 · Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Apr 13, 2023 · This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Tables This collection provides solutions to the HackerRank SQL Certification Test problems. In this repository, I have organized my solutions into different folders based on their focus of code. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/New Companies. 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. I provided my own insights and unique solutions as much as I can. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Contest-Leaderboard. 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. You signed in with another tab or window. We use cookies to Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. - 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. - JawadSher/SQL-Problems-Solutions-HackerRank Learn who they are and how HackerRank helped transform their tech hiring. Apr 6, 2023 · The subquery selects the sales_date (s. Survey respondents were entered into a drawing to win 1 of 10 $300 e-gift cards. 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. 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. ; Advanced: Expert-level problems and more complex Jun 8, 2024 · CodeRankGPT helps you solve HackerRank coding problems during your coding interview. -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. import clr In this repo, you can find solutions to SQL questions on HackerRank. 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. - MayankOps/HackerRank-SQL-Certification-Test-Solutions You signed in with another tab or window. If you are using a different SQL Language (for example MySQL) you might have to Nov 25, 2024 · Q ue 1. 85%. Topics Product GitHub Copilot. - Ishika63/HackerRank-SQL-Intermediate-Solution · Product GitHub Copilot. 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. 50%. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Oct 28, 2023 · This repository contains the solutions to the HackerRank SQL (Intermediate) Skills Certification Test. 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. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. - 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. 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. ; 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. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. · 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. Crack your coding interview and get hired. Solution: SELECT * FROM Cat; This is an Contribute to jaimiles23/HackerRank_Solutions development by creating an account on GitHub. */ SELECT. 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. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. The analysis covers multiple dimensions and provides actionable insights to improve sales performance and optimize operations. sql union. This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. 24–Oct 12, 2023 among a random sample of U. 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. S. AI DevOps Security Software Development HackerRank-SQL(certification)-Product-Sales-Per-City. - 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. For each employee, determine the number of hours worked during the weekends. SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. This repository contains all the solutions to the SQL questions listed in the Hackerrank platform , can be used by coders for reference purpose. Easy. sql at master · IhorVodko/Hackerrank_solutions This repository contains my solutions to various SQL challenges from HackerRank. Annotated Code: Each solution is well-commented and explained to aid understanding and learning. Aug 9, 2024 · Python Solutions: Includes solutions to Python coding challenges, covering topics like data structures, algorithms, and more. Automate any workflow Security. Contribute to yonice7/hackerrank-sql-solutions development by creating an account on GitHub. line_total_price,2) from city. Solved. Whether you're a beginner or an experienced developer, you'll find solutions and explanations for everything from basic queries to advanced data manipulation. Mar 22, 2019 · SQL Server Data Source Configuration Window; Creating a data source. ^ These offers are provided at no cost to subscribers of Chegg Study and Chegg Study Pack. Working on those coding problems feels like working on your real day to day analytics job. Respondent base (n=611) among approximately 837K invites. 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. exchange_rate) and calculates a row number for each row. FROM sales_amount s: The sales_amount table is aliased as s. Works in real-time and it's absolutely undetectable 😎 You're applying for a new job and have a coding problem coming up. Top. ; Online sales transactions, inventory, financials, customer and product · All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. hcyalm hau aphs dwtkh lzjbi dfqb imafy yqpul cuas nwsigaf