Sales data for all customers and products sql hackerrank solution 2022 github. of Orders, Profit Margin%.


Sales data for all customers and products sql hackerrank solution 2022 github Updated Nov 9, 2022; You signed in with another tab or window. ^ Chegg survey fielded between Sept. Code Issues Pull requests SQL HackerRank problems solution. 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 ๐Ÿ“— Solutions of more than 380 problems of Hackerrank accross several domains. Here is the list of variables we have included in our supermarket sales sample This repository contains my solutions to various HackerRank certification challenges. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff. Star 3. ; Each folder contains . of Orders, Profit Margin%. GitHub Gist: instantly share code, notes, and snippets. This Repository contains all the solutions of HackerRank various tracks. Stars. sql & 2. This repository contains solutions for Hacker Rank SQL problems. total_price) AS DECIMAL(9,6)) AS total FROM customer c INNER JOIN invoice i ON c. The SQL problems on HackerRank have challenged me to improve my SQL skills and to think creatively about how to solve complex problems. 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. Despite being over four decades old, SQL is still evolving at a rapid pace. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. Explore my GitHub repository to learn from my experiences and find inspiration for your SQL learning path. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. A desktop application that uses Envato API to get sales data for Envato market Authors. Topics Sales Manager is an all-in-one data management and analytics application designed for small-scale businesses. c happens to equal the maximum value in Northern Latitude (LAT_N in STATION). Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐ŸŽ“. HackerRank concepts & solutions. You signed out in another tab or window. Code. Readme License. customers who used Chegg Study or Chegg Study Pack in Q2 2024 and Q3 2024. Your analysis will inform recommendations on which products to prioritize in inventory, how to segment customers for targeted marketing, and . S. The repository is organized as follows: Easy: Beginner-level SQL challenges. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. Each solution is crafted to be efficient and clear, making this an excellent resource for anyone looking to strengthen their SQL skills. Learn who they are and how HackerRank helped transform their tech hiring. id = i. Topics Trending hackerrank hackerrank-python hackerrank-solutions hackerrank-sql Resources. Question: Sales Data for All Customers and ProductsWrite a query that will return sales details of all customers and products. cust_id) SQL interview questions have been a critical component of technical hiring for decades. 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. ; Advanced: Expert-level problems and more complex queries. I have taken HackerRank test on 22 July 2022. File metadata and controls. With its powerful analytics capabilities, users can gain insights into sales trends, forecasts, comparisons, and profit analysis. The solutions of all SQL challenges on You signed in with another tab or window. Certificate can be viewed Here A median is defined as a number separating the higher half of a data set from the lower half. A collection of solutions for HackerRank data structures and algorithm problems in Python, JAVA, and CPP. 25 * (SELECT AVG(total_price) FROM invoice) ORDER BY Identify best seller products, biggest customers, and sales growth rate. ; Window Functions: Analyze and visualize data using window functions. - GitHub - kg-0805/HackerRank-Solutions: This Repository contains all the solutions of HackerRank various tracks. Company Size. Automated the process of adding solutions using Hackerrank Solution Crawler. GitHub is where people build software. Geography. - Ishika63/HackerRank-SQL-Intermediate-Solution Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test ๐ŸŽ“. Reload to refresh your session. To review, open the file in an editor that reveals hidden Unicode characters. Output the first name of the customer. Sales by Match |JavaScript | Solution. city_id AND cu. The primary objective is to enhance and optimize sales strategies. This collection provides solutions to the HackerRank SQL Certification Test problems. My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. sql leetcode-solutions hackerrank-solutions. Product GitHub Copilot. Read more . After your test cases get passed!!!! Happy Learning!!!! Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐ŸŽ“. It showcases my growth, challenges faced, and solutions offered. Hacker rank SQL intermediate solution. SQL-Business-Expansion and 2. com practice problems using Python 3, ะก++ and Oracle SQL mysql python sql database hackerrank interview-preparation hackerrank-sql selflearning. sql hacker-rank hacker-rank-solutions sql-pratice-questions sql-practice-problems. This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . Supermarket Sales Sample Data in Excel. Name Number Sex This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. Certificate can be viewed here. 9โ€“Oct 3, 2024 among a random sample of U. 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. - 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. com practice problems using Python 3, ะก++ and Oracle SQL - marinskiy/HackerrankPractice GitHub community articles Repositories. Updated Mar 12, 2023; thecoddiwompler / SQL-Practice. If you would like to contribute to this repository, follow these steps: Fork the repository. d happens to equal the maximum value in Western Longitude Solutions for Hackerrank SQL problems. sql files with the respective solution. Query Optimization: Optimize your queries for better performance. 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. 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. id = cu. 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. Watchers. Solution - for sigma less than 3000 for "Number" column we have "2" rows, Question - 6 Consider the following data table named Student. total_price) FROM country co, city ci, customer cu, invoice i WHERE co. product_name, a. You can find me on hackerrank here. com practice problems using Python 3, ะก++ and Oracle SQL -solutions hackerrank-30dayschallange hackerrank-python-solutions hackerrank-statistics hackerrank My journey of earning a SQL certification and tackling HackerRank SQL challenges. Terms and Conditions apply. mysql. Query the median of the Northern Latitudes (LAT_N) from STATION and round your answer to 4 decimal places. country_id AND ci. `// 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. mysql station select update hackerrank insert hackerrank-solutions where orderby About. I took the HackerRank test on 10/11/2023. Contribute to anchitctrl/MY-SQL development by creating an account on GitHub. 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. No cash value. Sales by Match - HackerRank. customer_id GROUP BY co. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. These challenges cover a wide range of programming topics and are designed to assess and validate your coding skills. 7 lines (7 loc) · 387 Bytes You signed in with another tab or window. csharp algorithms hackerrank data-structures problem-solving hackerrank-python hackerrank dehghani-mehdi / hackerrank-disk-space-analysis. productid FROM product p LEFT JOIN orderline o ON Hacker rank SQL intermediate solution. 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. 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. Hakerrank SQL Intermediate Certification Solutions Invoices Per Country SELECT co. 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. 38 watching. - 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. This repository consists of Hackerrank JAVA Solutions. Contains solved Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Works in real-time and it's absolutely undetectable ๐Ÿ˜Ž You're applying for a new job and have a coding problem coming up. country name HAVING AVG(i. a happens to equal the minimum value in Northern Latitude (LAT_N in STATION). Find and fix vulnerabilities GitHub community articles Repositories. 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%. SQL HackerRank Solutions This repository contains comprehensive solutions to all SQL challenges on HackerRank, designed to aid in your preparation and mastery of SQL. AI DevOps HackerRank-SQL(certification)-Product-Sales-Per-City. id = Sales by Match HackerRank Solution. ; Data Modeling: Design efficient and effective database structures. Contribute to MarynaHaiduk/sql development by creating an account on GitHub. - 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. Copy path. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. ^ These offers are provided at no cost to subscribers of Chegg Study and Chegg Study Pack. 1k stars. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. Please visit each partner activation page for complete details. You signed in with another tab or window. Basic . Updated Mar 31, 2022; Improve this page You signed in with another tab or window. Updated Dec 3, 2024; TSQL; You signed in with another tab or window. b happens to equal the minimum value in Western Longitude (LONG_W in STATION). You switched accounts on another tab or window. Please check 1. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable ๐Ÿ˜Ž This repository contains my solutions to all the HackerRank SQL Practice Questions. - 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. Click here to see more codes for NodeMCU ESP8266 and similar Family. business_expansion. 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. Key This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. Code Issues Pull requests C# solution for HackerRank's Disk space analysis challenge 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. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. Crack your coding interview and get hired. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. CodeRankGPT helps you solve HackerRank coding problems during your coding interview. Blame. These are not the only solutions. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions GitHub community articles Repositories. id AS product_id, invoice_item. sql and 2. About. 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. customer_id GROUP BY c. The customer spending question answer of hacker rank is wrong the correct answer is SELECT c. ; Pivots in SQL: Transform your data with Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test ๐ŸŽ“. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test ๐ŸŽ“. The dashboard provides insights into top-selling products, sales by region, and customer trends across multiple years. 170+ solutions to Hackerrank. ; Medium: Intermediate-level SQL challenges. Solution. ; Indexing: Explore the power of indexing for faster data retrieval. Topics In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. total_price) > (SELECT AVG(total price)) You signed in with another tab or window. In this repository, I have organized my solutions into different folders based on their focus of code. Customer Spending. Business Expansion. As part of a cryptocurrency trade monitoring platform create a query to return a list of suspicious transactions. 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. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in a MySQL environment. id=orders. Youโ€™ll apply SQL skills like joins, subqueries, and CTEs to explore product, order, and customer data. sql sql-project sql-practice. 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. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Consider P1(a,b) and P2(c,d)to be two points on a 2D plane. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. View all solutions Resources Topics. The solutions of all SQL hackerrank challenges using MySQL Pull requests This repo contains Hackerrank Easy solution for Database Management System| SQL. 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. customer_spending. Intermediate More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. Please check 1. The E-commerce business Power BI Dashboard visualizes key performance indicators(KPI) including Total Profit, Sales, Total Quantity, No. id AS customer_id, product. SELECT a. 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. Intermediate. SELECT COUNT(CITY) โ€” COUNT(DISTINCT CITY) FROM STATION ; X. country_name, count(*), AVG(i. customer_name HAVING SUM(i. Student Analysis. - Sushanth72/SQL-HackeRank-Solutions You signed in with another tab or window. I have used MySQL and MS SQL Server for the solutions. 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. . - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test ๐ŸŽ“. 7. The certificate can be viewed here. Navigation Menu Toggle navigation CREATE TABLE sales. 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. - 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. 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. 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. Youโ€™ll use SQL to analyze a sales database and answer key questions to guide business strategy. 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. js This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. If you want to get the products that does not exists in orderline table you can simply use LEFT join with WHERE orderline. customer_name, a. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Star 17. Contribute to ejaj/SQL development by creating an account on GitHub. 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. orders (order_id) ON DELETE CASCADE ON UPDATE CASCADE, FOREIGN KEY Hacker Rank SQL. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. customer_name, CAST(SUM(i. Supermarket sales sample data is a popular dataset for learning and practicing your Excel skills. It offers features for data entry, querying, note-taking, and automatic backups. Take your SQL expertise to the next level with advanced topics. Data Two tables: Customers and Orders. 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. - 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. Industry. 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. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Sales Per City(Solution-1,2). sql hackerrank ms-sql-server hackerrank-solutions hackerrank-challenges hackerrank-sql-solutions sql-challenges hackerrank-solutions-github sql-solutions. Listed below are the questions available in this repository. Weather Observation Station 5 Query the two cities in All Solutions are made in the MSSQL Syntax. Each challenge has a You signed in with another tab or window. View on GitHub Hackerrank. SELECT p. 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. 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. quantity FROM (SELECT customer. List all sales along with the corresponding Inside you will find the solutions to all HackerRank SQL Questions. I have taken HackerRank test on 9th Oct 2022. Write better code with AI Security. The repository contains 6 folders. 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. This project analyzes sales data for AdventureWorks, focusing on revenue, customer segments, and product performance. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Topics Trending where LAT_N is the northern latitude and LONG_W is the western longitude. My Solutions to Database Challenges in SQL from various online judges : HackerRank, LeetCode and others. clear all; HackerRank + Daugherty . 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. Make your changes, add new features, or fix issues. Skip to content. Thousands of customers across various industries trust HackerRank for tech recruiting. select Contributions are what makes the open-source community such an amazing place to learn, inspire, and create. total_price) < 0. -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. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures for the six months. The problem description can be found as comments at the top of each file. Contribute to karunakaran186/Sql-intermediate-hackerrank-solutions development by creating an account on GitHub. - SQL-HackerRank-Solutions/1. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Question Find customers who have never made an order. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Without Sales(solution-1,2). 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. Solutions of more than 380 problems of Hackerrank across several domains. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Programs / Questions. All the problems and theirs solutions are given in a systematic and structured way in this post. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test ๐ŸŽ“. Click here to see more codes for Raspberry Pi 3 and similar Family. 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. 2. This Repo contain solutions of all problems given in Basic course on Data structures and Algorithms Milestones. MIT license Activity. 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. 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 . This is the only video you will need to improve you You signed in with another tab or window. Any contributions you make are greatly appreciated. SQL solutions for DataLemur including all difficult levels. Note: Round the average to the nearest integer. Enhancing University Recruiting: Juniperโ€™s Success Story with HackerRank 39. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. ; Hard: Advanced-level SQL challenges. The goal is to make informed business decisions that could drive an You signed in with another tab or window. 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. 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. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions You signed in with another tab or window. 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. Solutions to HackerRank's SQL challenges, from basic to advanced level, written in MS SQL Server. Top. The dataset utilized in this project is sourced from the Kaggle Walmart Sales Forecasting Competition. If youโ€™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. Role. Merit Rewards. Basic. So, without wasting any time, letโ€™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. HackerRank-Solutions / SQL / 5_Advanced Join / 4_Interviews / Interviews. To succeed in an SQL GitHub is where people build software. id = ci. 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. There are almost always multiple solutions to the same problem. SELECT first_name from customers WHERE first_name not in (select first_name from customers join orders on customers. Solutions Basic Select Challenges You signed in with another tab or window. Create a new branch for your contribution. 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. sql files for the solutions I submitted! HackerRank SQL Solutions. Give a star For my work. Business Expansion: Write a query to find all pairs of customers and agents who have been in contact more than once. My solutions to SQL problems on HackerRank # SQL Problems Page: https://www. Forks. 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. afw mqle hfzvhm ilwd swmmu pels eoa wcydqvi rwldf auojs