Sales data for all customers and products sql hackerrank solution 2022 github. Terms and Conditions apply.

Sales data for all customers and products sql hackerrank solution 2022 github Query Optimization: Optimize your queries for better performance. orders (order_id) ON DELETE CASCADE ON UPDATE CASCADE, FOREIGN KEY Hacker Rank SQL. List all sales along with the corresponding Inside you will find the solutions to all HackerRank SQL Questions. 7. Query the median of the Northern Latitudes (LAT_N) from STATION and round your answer to 4 decimal places. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. HackerRank's programming challenges can be solved in a variety of programming languages (including java java-practice sql hackerrank coding-challenges hackerrank-solutions hackerrank-challenges hackerrank-practice sql-challenges java-challenges interview-preparation-kit hackerrank-solutions-github hackerrank-solutions-for-java hackerrank-all-solutions hackerrank-practice-solutions hackerrank-website All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. Each challenge has a You signed in with another tab or window. The repository contains 6 folders. You signed in with another tab or window. Weather Observation Station 5 Query the two cities in All Solutions are made in the MSSQL Syntax. mysql. customer_name, CAST(SUM(i. Readme License. We are analysing Walmart's sales data to identify high-performing branches and products, analyze the sales patterns of various products, and understand customer behavior. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little 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. Here is the list of variables we have included in our supermarket sales sample This repository contains my solutions to various HackerRank certification challenges. Create a new branch for your contribution. sql hacker-rank hacker-rank-solutions sql-pratice-questions sql-practice-problems. Blame. id = i. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Question Find customers who have never made an order. id = cu. To succeed in an SQL GitHub is where people build software. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Question: Sales Data for All Customers and ProductsWrite a query that will return sales details of all customers and products. Hacker rank SQL intermediate solution. Click here to see more codes for Raspberry Pi 3 and similar Family. About. 170+ solutions to Hackerrank. Solution - for sigma less than 3000 for "Number" column we have "2" rows, Question - 6 Consider the following data table named Student. customer_name, a. Data Two tables: Customers and Orders. Write a query to find the maximum total earnings for all employees as well as the total number of employees who have maximum total Solution In SQL With Problem Explanation And Algorithm - THARUN1526/Placements-Sql-Hackerrank-solution GitHub is where people build software. Click here to see more codes for NodeMCU ESP8266 and similar Family. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Mount Blue is conducting a contest and the person who solves all the problems gets an opportunity for an entry level SDE developer role,and this repository for the storage and display of solutions to various problems of this contest on Hacker Rank. As part of a cryptocurrency trade monitoring platform create a query to return a list of suspicious transactions. Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - nathan-abela/HackerRank-Solutions You signed in with another tab or window. SQL-Business-Expansion and 2. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Programs / Questions. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. Star 17. Code Issues Pull requests C# solution for HackerRank's Disk space analysis challenge You signed in with another tab or window. Navigation Menu Toggle navigation CREATE TABLE sales. of Orders, Profit Margin%. Topics Trending hackerrank hackerrank-python hackerrank-solutions hackerrank-sql Resources. mysql sales sql data-visualization mysql-database dashboards data-analysis tableau powerbi dashboard-templates tableau-desktop sales-dashboard This project analyzes customer segmentation and behavior using data science and cohort analysis. These folders contain solutions for all easy, medium and difficult challenges executed on MySQL environment My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. id=orders. com practice problems using Python 3, С++ and Oracle SQL mysql python sql database hackerrank interview-preparation hackerrank-sql selflearning. Your analysis will inform recommendations on which products to prioritize in inventory, how to segment customers for targeted marketing, and . 2. customer_id GROUP BY c. business_expansion. These challenges cover a wide range of programming topics and are designed to assess and validate your coding skills. city_id AND cu. The E-commerce business Power BI Dashboard visualizes key performance indicators(KPI) including Total Profit, Sales, Total Quantity, No. ; Advanced: Expert-level problems and more complex queries. HackerRank concepts & solutions. I have used MySQL and MS SQL Server for the solutions. ; Data Modeling: Design efficient and effective database structures. A desktop application that uses Envato API to get sales data for Envato market Authors. -solutions hackerrank-30dayschallange hackerrank-python-solutions hackerrank-statistics hackerrank-artificialintelligence hackerrank-sql-solutions hackerrank-interview-kit hackerrank-solution The program for most data structures and Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Please check 1. Business Expansion. customer_spending. Code Issues Pull requests This repository serves as a collection of diverse and intriguing SQL questions and their Solutions congregated from Leetcode, Data Lemur, various Companies Problem solved-5. country name HAVING AVG(i. Topics In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions GitHub community articles Repositories. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Hakerrank SQL Intermediate Certification Solutions Invoices Per Country SELECT co. GitHub Gist: instantly share code, notes, and snippets. Make your changes, add new features, or fix issues. The problem description can be found as comments at the top of each file. sql & 2. Contribute to anchitctrl/MY-SQL development by creating an account on GitHub. 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 My sql hackerrank solutions. The dataset utilized in this project is sourced from the Kaggle Walmart Sales Forecasting Competition. View all solutions Resources Topics. To review, open the file in an editor that reveals hidden Unicode characters. It offers features for data entry, querying, note-taking, and automatic backups. Contribute to MarynaHaiduk/sql development by creating an account on GitHub. A collection of solutions for HackerRank data structures and algorithm problems in Python, JAVA, and CPP. sql and 2. id AS customer_id, product. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions You signed in with another tab or window. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution 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 Click here to see solutions for all Machine Learning Coursera Assignments. 25 * (SELECT AVG(total_price) FROM invoice) ORDER BY Identify best seller products, biggest customers, and sales growth rate. The goal is to make informed business decisions that could drive an You signed in with another tab or window. Star 3. The query shouldreturn all customers, even customers without invoices and also all products, even thoseproducts that were not sold. Top Earners | Easy | HackerRank We define an employee's total earnings to be their monthly salary × months worked, and the maximum total earnings to be the maximum total earnings for any employee in the Employee table. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution cracking-the-coding-interview algorithm-challenges coding-challenges hackerrank-solutions hackerrank-algorithms-solutions hackerrank-challenges data-structures-and-algorithms hackerrank-sql hackerrank-problem-solutions hackerrank-practice hackerrank-problem-solving hackerrank-solutions-github hackerrank-all-solutions algorithms-and-data 170+ solutions to Hackerrank. country_name, count(*), AVG(i. total_price) AS DECIMAL(9,6)) AS total FROM customer c INNER JOIN invoice i ON c. Certificate can be viewed here. Intermediate. SELECT 'customer' as category,id,customer_name FROM customer WHERE id NOT IN(SELECT customer_id FROM invoice) UNION SELECT 'product' as category,id,product_name FROM product WHERE id NOT IN(SELECT product_id FROM invoice_item); HackerRank - Sales by match. total_price) > (SELECT AVG(total price)) You signed in with another tab or window. ; Hard: Advanced-level SQL challenges. This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . The SQL problems on HackerRank have challenged me to improve my SQL skills and to think creatively about how to solve complex problems. Each solution is crafted to be efficient and clear, making this an excellent resource for anyone looking to strengthen their SQL skills. Code. Updated Mar 31, 2022; Improve this page You signed in with another tab or window. CodeRankGPT helps you solve HackerRank coding problems during your coding interview. b happens to equal the minimum value in Western Longitude (LONG_W in STATION). Sales by Match |JavaScript | Solution. SQL solutions for DataLemur including all difficult levels. With its powerful analytics capabilities, users can gain insights into sales trends, forecasts, comparisons, and profit analysis. There are almost always multiple solutions to the same problem. This repository contains solutions for Hacker Rank SQL problems. This community-owned project aims to bring together the solutions for the DS & Algo problems across various platforms, along with the resources for learning them. Updated Mar 12, 2023; thecoddiwompler / SQL-Practice. js This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Despite being over four decades old, SQL is still evolving at a rapid pace. ; Each folder contains . id AS product_id, invoice_item. You signed out in another tab or window. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. 9–Oct 3, 2024 among a random sample of U. ; Window Functions: Analyze and visualize data using window functions. product_name, a. ; Medium: Intermediate-level SQL challenges. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. - GitHub - kg-0805/HackerRank-Solutions: This Repository contains all the solutions of HackerRank various tracks. 7 lines (7 loc) · 387 Bytes You signed in with another tab or window. Suspicious transactions are defined as: a series of two or more transactions occur at intervals of an hour or less they are from the same sender the sum of transactions in This repository is a home for elegant solutions to problems found on HackerRank, designed to help you improve with both domain problems and contests. id AS invoice_item_id, IFNULL(name, 'N/A') customer_name, IFNULL(`Product Name`, 'N/A') product_name, IFNULL(quantity, 0) quantity FROM ((customer LEFT JOIN invoice ON customer. Updated Nov 9, 2022; You signed in with another tab or window. Give a star For my work. Topics Trending The Employee table containing employee data for a company is described as follows: where employee_id is an employee's ID number, name is their name, months is the total number of months they've been working for the company, and salary is their monthly salary. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution: You signed in with another tab or window. csharp algorithms hackerrank data-structures problem-solving hackerrank-python hackerrank dehghani-mehdi / hackerrank-disk-space-analysis. sql files for the solutions I submitted! Question1: Business Expansion Question2: Customer Spending Here is the certificate I got using the solutions GitHub is where people build software. HackerRank-Solutions / SQL / 5_Advanced Join / 4_Interviews / Interviews. These are not the only solutions. Stars. I took the HackerRank test on 10/11/2023. Product GitHub Copilot. - SQL-HackerRank-Solutions/1. Name Number Sex This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. - Sushanth72/SQL-HackeRank-Solutions You signed in with another tab or window. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Student Analysis. The solutions of all SQL challenges on You signed in with another tab or window. This is the only video you will need to improve you You signed in with another tab or window. Automated the process of adding solutions using Hackerrank Solution Crawler. - qanhnn12/SQL-Hackerrank-Challenge-Solutions sql hackerrank hackerrank-solutions sql-history hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-sql-solutions hackerrank-solutions-github sql-hackerrank hackerrank-sql-challenge hackerrank-solution hackerrank-sql-solutions-oracle hackerrank-sql-certificate hackerrank-sql-solution hackerrank-sql-problems hackerrank-sql Why this video is 7. You switched accounts on another tab or window. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. SELECT p. By detailing sales figures per city and identifyi Products without sales: Write a query to find all the products that were not sold, ordering the results by SKU ascending. Key This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. . It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Basic . You’ll use SQL to analyze a sales database and answer key questions to guide business strategy. Copy path. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff. SELECT a. My solutions to SQL problems on HackerRank # SQL Problems Page: https://www. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. Please visit each partner activation page for complete details. sql sql-project sql-practice. sql hackerrank hackerrank-solutions sql-history hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-sql-solutions hackerrank-solutions-github sql-hackerrank hackerrank-sql-challenge hackerrank-solution hackerrank-sql-solutions-oracle hackerrank-sql-certificate hackerrank-sql-solution hackerrank-sql-problems hackerrank-sql This repository contains efficient hackerrank solutions for most of the hackerrank challenges including video tutorials. cracking-the-coding-interview algorithm-challenges coding-challenges hackerrank-solutions hackerrank-algorithms-solutions hackerrank-challenges data-structures-and-algorithms hackerrank-sql hackerrank-problem-solutions hackerrank-practice hackerrank-problem-solving hackerrank-solutions-github hackerrank-all-solutions algorithms-and-data 1. sql hackerrank ms-sql-server hackerrank-solutions hackerrank-challenges hackerrank-sql-solutions sql-challenges hackerrank-solutions-github sql-solutions. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Merit Rewards. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution SQL : List Customer And Product Without SaleTo Access My Live Chat Page, On Google, Search for "hows tech developer connect"I have a hidden feature that I pr Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. I have taken HackerRank test on 22 July 2022. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice GitHub community articles Repositories. ; Pivots in SQL: Transform your data with Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Forks. View on GitHub Hackerrank. Take your SQL expertise to the next level with advanced topics. Read more . - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. Listed below are the questions available in this repository. cust_id) SQL interview questions have been a critical component of technical hiring for decades. This project analyzes sales data for AdventureWorks, focusing on revenue, customer segments, and product performance. Find and fix vulnerabilities GitHub community articles Repositories. com practice problems using Python 3, С++ and Oracle SQL -solutions hackerrank-30dayschallange hackerrank-python-solutions hackerrank-statistics hackerrank My journey of earning a SQL certification and tackling HackerRank SQL challenges. Skip to content. `// a couple SELECT * FROM tableName WHERE id > 100 OR column1="column value"; SELECT LTRIM(" SQL data ") AS column_name; // Remove leading spaces from a string SELECT RTRIM(" SQL data ") AS column_name; // Remove trailing spaces from a Hackerrank SQL (Basic) Skills Certification Test Solutions. Explore my GitHub repository to learn from my experiences and find inspiration for your SQL learning path. The solutions of all SQL hackerrank challenges using MySQL Pull requests This repo contains Hackerrank Easy solution for Database Management System| SQL. AI DevOps HackerRank-SQL(certification)-Product-Sales-Per-City. Contribute to ejaj/SQL development by creating an account on GitHub. mysql station select update hackerrank insert hackerrank-solutions where orderby About. a happens to equal the minimum value in Northern Latitude (LAT_N in STATION). c happens to equal the maximum value in Northern Latitude (LAT_N in STATION). This Repo contain solutions of all problems given in Basic course on Data structures and Algorithms Milestones. 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 About. Reload to refresh your session. sql leetcode-solutions hackerrank-solutions. productid FROM product p LEFT JOIN orderline o ON Hacker rank SQL intermediate solution. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution This repo contains Hackerrank Easy solution for Database Management System| SQL 2022; KursadKalender / HackerRank-SQL-Challenges-Solutions-Star 0. ; Indexing: Explore the power of indexing for faster data retrieval. S. You can find me on hackerrank here. ^ These offers are provided at no cost to subscribers of Chegg Study and Chegg Study Pack. id = ci. So, without wasting any time, let’s jump to the github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio Contribute to anchitctrl/MY-SQL development by creating an account on GitHub. Write better code with AI Security. Industry. id = Sales by Match HackerRank Solution. Solutions to HackerRank's SQL challenges, from basic to advanced level, written in MS SQL Server. country_id AND ci. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Code Issues Pull requests SQL HackerRank problems solution. Contribute to karunakaran186/Sql-intermediate-hackerrank-solutions development by creating an account on GitHub. This collection provides solutions to the HackerRank SQL Certification Test problems. Updated Dec 3, 2024; TSQL; You signed in with another tab or window. d happens to equal the maximum value in Western Longitude Solutions for Hackerrank SQL problems. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. Solution. sql hackerrank ms-sql-server hackerrank-solutions hackerrank-challenges 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. Solutions Basic Select Challenges You signed in with another tab or window. Write better code with AI hackerrank solutions github | 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 In this project, I utilized MySQL Workbench to analyze extensive sales data from a supermarket. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures for the six months. Terms and Conditions apply. HackerRank SQL Solutions 20 July 2020 javascript hackerrank leetcode-solutions hackerrank-solutions leetcode-javascript javascript-practice javascript-vanilla javascript-beginners javascript-codes leetcode-javascript-solutions javascript-practice-problems javascript-code javascript-algorithms-and You signed in with another tab or window. Nerves can peak during the programming test, and even experienced developers might blank This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. select Contributions are what makes the open-source community such an amazing place to learn, inspire, and create. In this repository, I have organized my solutions into different folders based on their focus of code. If you are looking for anyone of these things - hackerrank solutions java GitHub | hackerrank tutorial in java | hackerrank 30 days of code solutions | hackerrank algorithms solution | hackerrank cracking the coding interview solutions | hackerrank general Includes SQL queries, database normalisation and data warehouse design. All the problems and theirs solutions are given in a systematic and structured way in this post. If you’re a data scientist or software engineer on the job market, the ability to demonstrate your database skills in an SQL interview is critical to landing your next role. sql files for the solutions I submitted! HackerRank SQL Solutions. Role. My Solutions to Database Challenges in SQL from various online judges : HackerRank, LeetCode and others. Contains solved Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Output the first name of the customer. Solutions of more than 380 problems of Hackerrank across several domains. Thousands of customers across various industries trust HackerRank for tech recruiting. My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. SQL-Product-Sales-per-City files for the solutions I submitted! Key competencies: Complex joins-This your help is needed to find all pairs of customers and agents who have 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 This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in a MySQL environment. MIT license Activity. sql hackerrank hackerrank-solutions sql-history hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-sql-solutions hackerrank-solutions-github sql-hackerrank hackerrank-sql-challenge hackerrank-solution hackerrank-sql-solutions-oracle hackerrank-sql-certificate hackerrank-sql-solution hackerrank-sql-problems hackerrank-sql In this repository you will find my answers to the SQL challenges proposed in HackerRank, from basic to advanced level. Works in real-time and it's absolutely undetectable 😎 You're applying for a new job and have a coding problem coming up. HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications. ^ Chegg survey fielded between Sept. You’ll apply SQL skills like joins, subqueries, and CTEs to explore product, order, and customer data. Topics Sales Manager is an all-in-one data management and analytics application designed for small-scale businesses. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Customer Spending. It showcases the trend of Sales and Profit for each month, the Category-wise Profits and Sales, Sales by States, top customers and Category-wise Sales%. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Sales Per City(Solution-1,2). customers who used Chegg Study or Chegg Study Pack in Q2 2024 and Q3 2024. No cash value. If you would like to contribute to this repository, follow these steps: Fork the repository. The repository is organized as follows: Easy: Beginner-level SQL challenges. Any contributions you make are greatly appreciated. sql files with the respective solution. Please check 1. SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. Supermarket sales sample data is a popular dataset for learning and practicing your Excel skills. quantity FROM (SELECT customer. The dashboard provides insights into top-selling products, sales by region, and customer trends across multiple years. customer_name HAVING SUM(i. Here you will get All Solutions for Topics from HackerRank Platform Topics python c java cpp solutions hackerrank problem-solving hackerrank-python hackerrank-solutions hackerrank-java 30daysofcode hackerrank-cpp hackerrank-algorithms-solutions 30-days-of-code hackerrank-30dayschallange hackerrank-challenges hackerrank-solutions-github 📗 Solutions of more than 380 problems of Hackerrank accross several domains. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable 😎 This repository contains my solutions to all the HackerRank SQL Practice Questions. I have taken HackerRank test on 9th Oct 2022. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. Certificate can be viewed Here A median is defined as a number separating the higher half of a data set from the lower half. Sales by Match - HackerRank. It showcases my growth, challenges faced, and solutions offered. Topics Trending where LAT_N is the northern latitude and LONG_W is the western longitude. Supermarket Sales Sample Data in Excel. If you want to get the products that does not exists in orderline table you can simply use LEFT join with WHERE orderline. This Repository contains all the solutions of HackerRank various tracks. Enhancing University Recruiting: Juniper’s Success Story with HackerRank 39. order_items( order_id INT, item_id INT, product_id INT NOT NULL, quantity INT NOT NULL, list_price DECIMAL (10, 2) NOT NULL, discount DECIMAL (4, 2) NOT NULL DEFAULT 0, PRIMARY KEY (order_id, item_id), FOREIGN KEY (order_id) REFERENCES sales. Basic. GitHub is where people build software. Intermediate More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. File metadata and controls. 1k stars. SQL HackerRank Solutions This repository contains comprehensive solutions to all SQL challenges on HackerRank, designed to aid in your preparation and mastery of SQL. SELECT first_name from customers WHERE first_name not in (select first_name from customers join orders on customers. This repository consists of Hackerrank JAVA Solutions. customer_id GROUP BY co. After your test cases get passed!!!! Happy Learning!!!! Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. total_price) FROM country co, city ci, customer cu, invoice i WHERE co. The primary objective is to enhance and optimize sales strategies. Company Size. The customer spending question answer of hacker rank is wrong the correct answer is SELECT c. It helps in identifying sales opportunities and optimizing This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. The certificate can be viewed here. Crack your coding interview and get hired. total_price) < 0. Geography. Developed a Tableau dashboard to perform analysis, producing quantitative visualizations in Tableau to draw As a programmer, I enjoy working with SQL as it allows me to extract valuable insights from large datasets. Top. clear all; HackerRank + Daugherty . - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Without Sales(solution-1,2). 38 watching. Learn who they are and how HackerRank helped transform their tech hiring. Note: Round the average to the nearest integer. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Consider P1(a,b) and P2(c,d)to be two points on a 2D plane. Business Expansion: Write a query to find all pairs of customers and agents who have been in contact more than once. - Ishika63/HackerRank-SQL-Intermediate-Solution Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. 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 . In addition to solutions, you'll also find a list of Useful Code Blocks and Valuable Resources in the root folder that you should take a look at it if you're looking for additional help. 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. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution 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. Watchers. The objective was to gain insights into various aspects of the sales, including revenue generation, top-selling branches, customer segmentation, popular This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. qdhce lkpvj iuogzpj kazkge zoqr mudhc zzed ewov utzib qczg