Sales data for all customers and products sql hackerrank solution github 2022 Geography. It utilises the Northwind Database and includes SQL queries to provide insights on employees, products, suppliers and revenue. View on GitHub Hackerrank. sql hacker-rank hacker-rank-solutions sql-pratice-questions sql-practice-problems. Name Type Description; id: int: This is a 170+ solutions to Hackerrank. product_name, a. Topics Dive deeper into SQL with complex joins, unions, and sub-queries. You signed out in another tab or window. The objective was to gain insights into various aspects of the sales, including revenue generation, top-selling branches, customer segmentation, popular CodeRankGPT helps you solve HackerRank coding problems during your coding interview. The data contains hundreds of thousands of electronics store purchases broken down by month, product type, cost, purchase address, etc. But let say I only want to show the the city/cities where someone has done at least 2 orders, and that there are two customers living in this city/cities, so what I want to do is to pick out the city/cities where a customer has made at least 2 orders, but then show the Welcome to our Sales Analysis Dashboard project! This interactive dashboard provides comprehensive insights into sales performance and customer behavior. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. The dataset includes information such as order ID, product details, quantity ordered, prices, order date, purchase addresses, sales amounts, city, and month. Output the first name of the customer. Use The UNION Operator In This Query. To review, open the file in an This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. id = i. Find and fix vulnerabilities Actions. Updated These questions all test SQL and relational database skills, and are meant to be solved in a collaborative integrated development environment (IDE). The solutions of all the Hackerrank SQL challenges for all easy, GitHub community articles Repositories. customer_name, p. ; Loyalty Programs: Develop a VIP loyalty program offering points for every purchase, which You signed in with another tab or window. Prod_name AS Product , orders. id is null Second SQL Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. There are almost always multiple solutions to the same problem. This repository consists of Hackerrank JAVA Solutions. 53 trillion USD and are projected to grow to 6. Algo-Expert offers with the following resources which are helpful for the students: 100 Hand Picked Questions This repository contains most of my solutions and projects I have completed on HackerRank. Youβll apply SQL skills like joins, subqueries, and CTEs to explore product, order, and customer data. Terms and Conditions apply. Certificate can be viewed Here Welcome to the official GitHub repository for the DataSpark: Illuminating Insights for Global Electronics project. All Solutions are made in the MSSQL Syntax. SQL (Structured Query Language) is a powerful tool used for managing and manipulating relational databases. Contribute to karunakaran186/Sql-intermediate-hackerrank-solutions development by creating an account on GitHub. Write better code with AI hackerrank solutions github | hackerrank all solutions | hackerrank solutions for java | hackerrank video tutorial | hackerrank cracking the coding interview solutions SQL, C, C++, Algorithms, Data Structures. Revising the Select Query I β HackerRank Solution Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Works in real-time and it's absolutely undetectable π You're applying for a new job and have a coding problem coming up. Business Expansion. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. CREATE TABLE sales. Thousands of customers across various industries trust HackerRank for tech recruiting. The notebooks will contain all iterations of my solutions. 2 Questions are asked, as of now 2 questions will be asked from 1. a happens to equal the minimum value in Northern Latitude (LAT_N in STATION). Customer Spending. Sub-queries: Enhance your querying Contributions are what makes the open-source community such an amazing place to learn, inspire, and create. GitHub Gist: Solution for "Sales by Match" in Hackerrank. Stars. It showcases my growth, challenges faced, and solutions offered. Intends to show my coding progress over time. Solved Hackerrank SQL Intermediate Skills Certification Test GitHub community articles Repositories. SELECT a. Table 1: city. This repository contains solutions to HackerRank SQL challenges ranging from This Repository contains all the solutions of HackerRank various tracks. Schema Design: Logical star schema with fact and dimension tables for in-depth analysis. Write better You signed in with another tab or window. SQL solutions are coded using MySQL. Company Size. The query shouldreturn all customers, even customers without invoices and also all products, even thoseproducts that were not sold. No cash value. Products without sales: Write a query to find all the products that were not sold, ordering the results by SKU ascending. Topics Trending mysql sql hackerrank hackerrank-solutions hackerrank-sql Resources. quantity), 0) AS quantity FROM customer c LEFT JOIN invoice i on c. Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. Note: Round the average to the nearest integer. Skip to content. Skip to content Navigation Menu Toggle navigation Sign in Product Write better 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. I have taken HackerRank test on 22 July 2022. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. cust_id) Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test π. Navigation Menu Toggle navigation. More than 100 million people use GitHub to discover, fork, and contribute to over 420 This project involves analyzing sales data for a company to gain insights The dataset used for this project contains information about orders, customers, products, and sales transactions. Learn who they are and how HackerRank helped transform their tech hiring. I have taken HackerRank test on 9th Oct 2022. AI-powered developer platform Available add-ons Last commit date. Industry. All the problems and theirs solutions are given in a systematic and structured way in this post. Hacker Rank SQL. Julia conducted a 15 days of learning SQL Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Sign in Product GitHub Copilot. The start date of the contest was March 01, More than 100 million people use GitHub to discover, fork, and contribute to over This repo contains all my code solutions for HackerRank problems and tests written in Issues Pull requests SQL HackerRank problems solution. quantity FROM (SELECT customer. Intends to show my coding progress Find Customer Referee: Easy: pandas: Product Sales Analysis II: Easy: pandas The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. This repository serves as a collection of diverse and intriguing SQL questions and their Solutions congregated from Leetcode, Data Lemur, SQL HackerRank problems solution. π - Bhushan148/Northwind-Sales-Analysis You signed in with another tab or window. com practice problems using Python 3, Π‘++ and Oracle SQL - marinskiy/HackerrankPractice Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Without Sales(solution-1,2). 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. Solved queries for the Hackerrank SQL Products Without Sales(solution-1,2) github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio hackerrank-sql All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Nerves can peak during the programming test, and even experienced developers might blank This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Subscribe Sign in. They are essential for building more sophisticated and robust queries, managing More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. sql 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. 2. d happens to equal the maximum value in Western Longitude Here you will get All Solutions for Topics from HackerRank Platform Data Types. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures for the six months. This repository is mainly to maintain the solutions of Algo-Expert Questions alongwith Leetcode & Hackerrank. sql and 2. select HackerRank SQL Solutions. Analyze sales data, Question Find customers who have never made an order. Show all customer records. You signed in with another tab or window. Question: Sales Data for All Customers and ProductsWrite a query that will return sales details of all customers and products. 10 Days of Statistics. Topics Trending Solution: Customers who never order: Solution: Duplicate Emails: Solution: Rising Data Generation: Python scripts used to generate realistic e-commerce data. 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 I have the following SQL statement that shows the total sales amount for customers in cities who have done at least 2 orders. Please check 1. Any contributions you make are greatly appreciated. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu About. - GitHub - kg-0805/HackerRank-Solutions: This Repository contains all the solutions of HackerRank various tracks. customers ( customer_id INT IDENTITY (1, 1) PRIMARY KEY, first_name VARCHAR (255) NOT NULL, last_name VARCHAR (255) NOT NULL, phone VARCHAR (25), email VARCHAR (255) NOT NULL, street π Solutions of more than 380 problems of Hackerrank accross several domains. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff. 1 watching Forks. Product GitHub Copilot. customer_name, a. Articles Works Shiny Snippets Resume About Contact. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering various aspects of SQL including querying, joins, aggregations, and more. GitHub Gist: instantly share code, notes, and snippets. The repository contains 6 folders. This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. Explore my GitHub repository to learn from my experiences and find inspiration for your SQL learning path. - GitHub /HackerrankCertifications: Here are solutions and databases from Hackerrank Certification Tests. Easy: Click Here: Click Here: C , C++ , JAVA , Python: 2: hackerrank-cpp hackerrank-algorithms-solutions 30-days-of-code hackerrank-30dayschallange hackerrank-challenges hackerrank-solutions-github hackerrank-solutions-for-java hackerrank-all-solutions Strategies: Exclusive Offers: Provide VIP customers with exclusive discounts, early access to sales, and special promotions. Write better code with AI Security. Contribute to omonimus1/HackerRank-Solutions development by creating an account on GitHub. SELECT * FROM customers; Show total number of customers. When a programmer submits a solution to a programming challenge, Efficient HackerRank solutions in JavaScript Here are solutions and databases from Hackerrank Certification Tests. Automated the process of adding solutions using Hackerrank Solution Crawler. Problems from Leetcode will be You signed in with another tab or window. It offers features for data entry, querying, note-taking, and automatic backups. Activities involved: Using GROUP BY and HAVING clauses to Join over 23 million developers in solving code challenges on HackerRank, Get Certificate. Northwind Traders Sales Analysis project, which analyses sales data for a fictitious company. id AS product_id, invoice_item. Contribute to ejaj/SQL development by creating an account on GitHub. - qanhnn12/SQL-Hackerrank-Challenge-Solutions All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu This repository contains solutions to all the HackerRank SQL Practice Questions - Pavith19/HackerRank-SQL-Challenges-Solutions. Skip to content Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Return 3 Values: - Category - Is This Line Related To "Customer" Or "Product"? Print "Customer" Or "Product" Without Quotes. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions 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. Topics Trending Collections Enterprise Enterprise platform. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Skip to content Navigation Menu In this project, I utilized MySQL Workbench to analyze extensive sales data from a supermarket. Id (Category="Customer") Or 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 Skip to content Navigation Menu Welcome to my repository of SQL solutions for all the challenges on HackerRank. Disclaimer: These problems are generated by HackerRank but the A solution to HackerRank's SQL challenge. - Ishika63/HackerRank-SQL-Intermediate-Solution The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges. This repository contains solutions for Hacker Rank SQL problems. Skip to content This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. 0 forks Report repository This project aims to explore the Walmart Sales data to understand top performing branches and products, sales trend of different products, customer behaviour. This project analyzes sales data for AdventureWorks, focusing on revenue, customer segments, and product performance. By detailing sales figures per city and SELECT c. SQL-Product-Sales-per-City files for the solutions I submitted! Key competencies: Complex city, customer, invoice, invoice_item, and product. Whether we are beginners or experienced professionals, practicing SQL exercises is important for improving your skills. productid FROM product p LEFT JOIN orderline o ON Contribute to hamajid/Sales_DataBase_MySQL development by creating an account on GitHub. - Id - Customer. Using Python, Pandas & Matplotlib to analyze and answer business questions about 12 months worth of sales data. Crack your coding interview and get hired. You can find me on hackerrank here. The questions asked are Invoices Per Country and Product Sales Per City. Updated Jun 1, 2023; You signed in with another tab or window. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Sales Per City(Solution-1,2). SELECT count(*) FROM customers; Show transactions for Chennai market (market code for chennai is Mark001 This project aims to analyse a sales dataset to derive insights into product performance, revenue trends, and customer behaviour. hackerrank solutions github | hackerrank all solutions hackerrank video tutorial | hackerrank cracking the coding interview solutions | hackerrank data structures | hackerrank solutions algorithms | hackerrank challenge | hackerrank coding challenge A project of solved Java/SQL challenges from HackerRank website. sql files for the solutions I submitted! 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 HackerRank MySQL challenge solution in the MySQL Advance Track - GitHub - hammad-ali-shah/SQL: HackerRank MySQL challenge solution in the MySQL Advance Track 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. b happens to equal the minimum value in Western Longitude (LONG_W in STATION). This collection provides solutions to the HackerRank SQL Certification Test problems. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Skip to content Navigation Menu Solution for "Sales by Match" in Hackerrank. 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 Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test π. sql View Product. Intermediate. Role. Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - nathan-abela/HackerRank-Solutions The solutions of all SQL HackerRank challenges updated on 2024 GitHub community articles Repositories. All tables and their rows in sales schema; Date range in date table; Revenue generated in 2020 and 2019. 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. 54 trillion USD in 2022. SELECT p. The aims is to study how sales strategies can be improved and optimized. - NadaMowafi Skip to All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Hacker rank SQL intermediate solution. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu 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 You signed in with another tab or window. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test π. Post displaying HackerRank sql problem solving questions and solution. This Repo contain solutions of all problems given in Basic course on Data structures and Algorithms Milestones. hackerrank solutions github | hackerrank all solutions | hackerrank solutions for java | hackerrank video tutorial | hackerrank cracking the coding interview solutions | hackerrank data structures | hackerrank solutions More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. The primary objective is to enhance and optimize sales strategies. id as id, customer_name as name from customer c left join invoice i on c. cracking-the-coding-interview hackerrank hackerrank-python hackerrank-solutions hackerrank-java Welcome to the HackerRank SQL Solutions repository! π Dive into a curated collection of SQL queries crafted to tackle a range of challenges. Assessed historical shipping data for a shipping company selling products and shipping them to its customers' destinations to determine future shipping strategies. Readme Activity. First SQL returns this list --> All customers who do not have an invoice select 'customer' as category, c. My own HackerRank coding interview solutions. Developed a Tableau dashboard to perform analysis, producing quantitative visualizations in Tableau to draw Solutions for Hackerrank SQL 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 More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. ^ These offers are provided at no cost to subscribers of Chegg Study and Chegg Study Pack. Whether youβre prepping for an interview or honing your SQL skills, youβll find valuable solutions and insights here. id AS invoice_item_id, Sales by Match HackerRank Solution. mysql sql cheatsheet mysql-solutions hackerrank-sql-solutions sql-practice sql-cheatsheet sql-solutions. clear all; Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. 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. Complex Joins: Navigate through intricate relationships between tables. PHP, Python, SQL, JavaScript) and span multiple computer science domains. This repository contains efficient hackerrank solutions for most of the hackerrank challenges including video tutorials. sql sql-project sql-practice. These are not the only solutions. ^ Chegg survey fielded between Consider P1(a,b) and P2(c,d)to be two points on a 2D plane. The goal is to make informed business decisions that could drive an 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 This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I SQL-Business-Expansion and 2. A collection of solutions for HackerRank data structures and algorithm problems in Python, JAVA, and CPP. Please visit each partner activation page for complete details. Updated Identify best seller products, biggest customers, and sales growth rate. The analytical capabilities of big data have had a positive impact across industries, including e-commerce. Solution. These folders contain solutions for all easy, medium and difficult challenges executed on MySQL environment. Solutions to Problems For SQL on Leetcode, GitHub community articles Repositories. Here are solutions and databases from Hackerrank Certification Skip to content. . This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. So, without wasting any time, letβs jump to the 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 Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test π. Purposes Of Product Sales Data Analysis Using SQL and Power BI. product_name, Coalesce((ii. HackerRank SQL Solutions. These concepts introduce more complex features and functionalities of SQL. Solutions of more than 380 problems of Hackerrank across several domains. It includes, in a fully automated fashion, all data-related marketing functions users can imagine; seamless data ingestion and consolidation, customer-centric database featuring true 360-degree customer view, comprehensive reporting, intuitive segmentation and targeting, as well as user-friendly email campaign functions. This repository contains python solutions for some of the HackerRank problems from the SQL genre. 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. Digitally enabled customers like to shop on the run, and that is the reason why online shopping is one of the most popular online activities worldwide. 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 . Sales DB. customer_id LEFT JOIN invoice_item ii ON sql-hackerrank. c happens to equal the maximum value in Northern Latitude (LAT_N in STATION). 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. ; Personalized Communication: Send personalized emails and messages that recognize their loyalty and highlight products based on their purchase history. In 2019, global e-commerce sales amounted to 3. Hacker 4071 submitted solutions for challenges 19797 and 49593, so the total score = 95 + max(43, 96) Julia conducted a 15 days of learning SQL contest. Business Expansion: Write a query to find all pairs of customers and agents who have been in contact more All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Unions: Combine results from multiple queries efficiently. order_date AS This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. Data Two tables: Customers and Orders. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. Regular practice helps you get better at using SQL and boosts your confidence in handling different database tasks. This repository contains a comprehensive set of SQL queries for every problem I've solved on the platform, categorized by difficulty and topic. Exploratory Data Analysis (EDA): Insights into sales trends, customer behavior, and product performance. id AS customer_id, product. You switched accounts on another tab or window. This repository contains all the necessary files, scripts, and documentation related to our comprehensive Exploratory Data Analysis (EDA) on Global Electronics' datasets. Updated Mar 31 , 2022 You signed in with another tab or window. By detailing sales figures per city and identifying customers who spent 25% or less than A PowerBI dashboard to explore the raw sales data for an online retailer of bicycles and bicycle components in order to obtain insights into its sales performance, customers, and products. - Hackerrank/SQL(Basic) GitHub community articles Repositories. Youβll use SQL to analyze a sales database and answer key questions to guide business strategy. 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 You signed in with another tab or window. sales-data-analysis-project. The dataset utilized in this project is sourced from the Kaggle Walmart Sales Forecasting Competition. Organize product, customer and sales training for employees especially the underperformers to help them increase 2022. sql. Solutions to Problems For SQL on Leetcode, Hackerrank & DataLemur - mdh266/SQL-Practice. Reload to refresh your session. - MayankOps/HackerRank-SQL-Certification-Test-Solutions Grouping and Aggregating Data. Day Challenge Points Solution; 0: Mean, Median, and Mode: 30: More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. - ad17171717/LeetCode-HackerRank-Solutions-and-More. HackerRank SQL Solutions 20 July 2020 Northwind Sales Analysis is a π data-driven project that uses SQL and Python π to create an interactive dashboard, analyzing sales performance and customer trends from the Northwind database. - GitHub - sssingh/sales-customer-product-analysis-powerbi: A PowerBI dashboard to explore the raw sales data for an online retailer of bicycles and bicycle components in order to obtain Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test π. To view the the data tables that accompany each question, click the A collection of solutions for HackerRank data structures and algorithm problems in Python, JAVA, and CPP. All gists Back to GitHub Sign in Sign up Sign in Sign up You signed in with another tab or window. I have used MySQL and MS SQL Server for the solutions. Sign in Product Sales DB. Inside you will find the solutions to all HackerRank SQL Questions. Basic . The dashboard provides insights into top-selling products, sales by region, and customer trends across multiple years. id=orders. customer_id where i. SELECT first_name from customers WHERE first_name not in (select first_name from customers join orders on customers. Topics Trending Collections Enterprise My solutions to SQL problems on HackerRank # SQL Problems Page: https://www. Certificate can be viewed here. Also includes solutions from other sites such as HackerRank. This project offers actionable insights to improve decision-making and understand market dynamics. T-SQL--Reply. 0 stars Watchers. In this project, youβll take on the role of a data analyst at a scale model car company looking to make data-driven decisions. Explore Total Sales, Profit, and Quantity metrics with year-on-year comparisons, and delve into sales trends by product subcategory and customer insights by order volume. Hackerrank SQL (Basic) Skills Certification Test Solutions. All Solutions in Hackerrank SQL Section. With its powerful analytics You signed in with another tab or window. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions You signed in with another tab or window. Data Cleaning: Processes for handling null values, correcting data formats, and identifying outliers. Currency and their count; Total sales amount collected by each market; Sales quantity ordered from each market on each day; Sales across all markets in each year; Categorizing Product sales based on sales quantity in each order My journey of earning a SQL certification and tackling HackerRank SQL challenges. mihca rcjvj yvfjkao lops dhokr yhqe vbgssjjf bldcladq narju hlvc