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Products without sales sql hackerrank solution product_name (category="product") Tables: Customer The HackerRank SQL Advanced Certification is a great way to showcase your SQL expertise. sql at master · IhorVodko/Hackerrank_solutions 📜 License. But you need to add a terminating / after your code, on a line on its own - The subquery selects the sales_date (s. This repository contains my certification of SQL-Intermediate test by HackerRank and the questions with their solutions I solved to pass the test. - Ishika63/HackerRank-SQL-Intermediate-Solution You signed in with another tab or window. Julia just finished conducting a coding contest, and she needs your help assembling the leaderboard! Write a query to print the respective hacker_id and name of hackers who achieved full scores for more than one challenge. Instructions. cochiseandcumbria These concepts introduce more complex features and functionalities of SQL. select 'customer' as category, c. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice Sql. 1 Revising the Select These solutions cover a wide range of topics including algorithms, data structures, and more. Power Pivot, and SQL Server Analysis Contribute to ADebnath98/Hackerrank-SQL-Intermediate-skills-certification-test-solution- development by creating an account on GitHub. 55; Julia’s best friend got offered a higher salary than her at 12. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Explanation The table below shows the salaries without zeros as they were entered by Samantha: Samantha computes an average salary of 98. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Find and fix vulnerabilities Codespaces Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. SQL statement to get You signed in with another tab or window. Weather Observation Station 5 Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Packages. Note: Round the average to the nearest integer. id (category="customer") or product. Unions: Combine results from multiple queries efficiently. Please append a semicolon "" at the end of the query. id as id, product_name as name from product p left join invoice_item ii on p. Host and manage packages Watch all Easy Hackerrank SQL Problems solved in this video. sql and 2. I have used MySQL and MS SQL Server for the solutions. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Business Expansion. txt This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. New Companies. select List Customer And Product Without Sale. 66%. Solved. Manage code changes You signed in with another tab or window. Try this one if you want to get the whole row, (supports most RDBMS)SELECT a. Uptimize select product details each customer Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. sql union. Personal HackerRank Profile View Profile Navigation Menu Toggle navigation. SQL-Business-Expansion and 2. Binary Tree Nodes. Manage code changes relativepay_hackerrank_solution. That site doesn't seem to ever show your the output from your submission, unhelpfully, but does with just 'run code'. Give a star For my work. Click here to see more codes for NodeMCU ESP8266 and similar Family. Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - nathan-abela/HackerRank-Solutions Saved searches Use saved searches to filter your results more quickly This repository is a home for elegant solutions to problems found on HackerRank, designed to help you improve with both domain problems and contests. Revising the Select Query I – HackerRank Solution; Revising the Select Query II – HackerRank Solution; Select All – HackerRank Solution; Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Unsolved. SQL interview questions have been a critical component of technical hiring for decades. The OCCUPATIONS Find and fix vulnerabilities Codespaces. customer_id GROUP BY c. price = b. SQL-Product-Sales-per-City files for the solutions I submitted! where LAT_N is the northern latitude and LONG_W is the western longitude. All Solutions in Hackerrank SQL Section. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. Platform Help | Execution Environment | FAQ. Automate any workflow Packages. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. : number of characters in the name). - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution List Customers and Products Without Sales Enter your query below. id where java sql gaming string code test solution shape class anagram python3 laptop reverse problem-solving average adder hackerrank-solutions python-shape hackerrank-certification Resources You signed in with another tab or window. - DaveSV/HackerRank-SQL-Intermediate-Certificate You signed in with another tab or window. total_price) AS DECIMAL(9,6)) AS total FROM customer c INNER JOIN invoice i ON c. Samantha Julia Scarlet Explanation. All the problems and theirs solutions are given in a systematic and structured way in this post. SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. If there is more than one You signed in with another tab or window. Skip to content. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions You signed in with another tab or window. Using the UNION operator, return a si Verify your SQL Skills. Order your output in descending order by the total number of challenges in which the hacker earned a full score. This repository contains python solutions for some of the HackerRank problems from the SQL genre. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Intermediate Problem. 15%. Revising the Select Query I – HackerRank Solution You signed in with another tab or window. select std Products without sales. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. The questions asked are Invoices Per Country and Product Sales Per City. 48%. SQLIntermediate_Products Without Sales. product_name FROM product WHERE product. Each challenge has a corresponding folder containing my solution in a specific programming Hackerrank SQL (Basic) Skills Certification Test Solutions. product_id = P. Learning: Improve my coding skills and deepen my understanding of Python and SQL. Need to show the following columns (3) using UNION to return: All customers who do not have an invoice; First SQL returns this list –> All customers who do not have an invoice. Healthcare Financial services HackerRank-SQL(certification)-Product-Sales-Per-City. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Sales Per City(Solution-1,2). Second SQL returns this list --> All products that were not sold. HackerRank SQL Solutions. Input Format. Sign in Product GitHub Copilot. These are not the only solutions. Write a query to list the contestants ranked in the top 3 for each This article analyzes the performance of different DAX techniques to identify any products without sales in an area or a time period. 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. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures for the six months. id NOT IN (SELECT product_id FROM invoice_item); ----- Products You signed in with another tab or window. This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions. Saved searches Use saved searches to filter your results more quickly This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Copy path. Company : DunzoSQL Coding 2 :Sales Data for All Customers and Products Answer) SELECT IFNULL(customer_name, "N/A") customer_name, IFNULL(product_name, "N/A") Welcome to HackerRank SQL (Intermediate) Skills Certification Test. Solved queries for the Hacker-rank SQL (Intermediate) Skills Certification Test - Hacker-rank/Products Without Sales(solution-1,2). What products did not Or you might just find a solution on the web and blindly implement it without questioning whether there is a better way to achieve what you want. Accelerate your Job Search. Topics Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. You signed out in another tab or window. Please make sure you are not interrupted during the test, as the timer cannot be paused once started. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution You signed in with another tab or window. 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. You signed in with another tab or window. txt at main · codehub001/Hacker-rank You signed in with another tab or window. So, without wasting any time, let’s jump to the solutions. I have taken So, without wasting any time, let’s jump to the solutions. PRONAME, SUM(OD. Reload to refresh your session. Problem. - MahedeiHasan/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions 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 Product GitHub Copilot. Navigation Menu Toggle navigation This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. Plan and track work Code Review. of questions 2 questions. id as id, customer_name as name from customer c left join invoice i on c. Sample Output. This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. This repository consists of solutions to HackerRank practice, tutorials, and interview preparation problems with Python, SQL, C++, and Java. Return 3 Values: - Category - Is This #1 SQL: Merit Rewards On the basis of merit, a company decides to promote some of its employees in its HR division at the end of the quarter because of their high performance. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. 0. txt. This is a timed test. Write better code with AI Security. 12; Scarlet’s best friend got You signed in with another tab or window. - Sushanth72/SQL-HackeRank-Solutions Effective solutions to hackerrank. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Hackerrank Intermediate SQL certification solutions with basic SQL quarries, Sub quarries and Aggregation functions. 03%. 50%. 75%. Complex Joins: Navigate through intricate relationships between tables. Use The UNION Operator In This Query. Enterprises Small and medium teams Startups By use case. No. _____ SUBSCRIBE!Do you want to understand how to solve SQL Skip to content. ***Step 2: Identify Products Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Plan and track work All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. SQL (Basic) SQL You signed in with another tab or window. Feel free to use, share, and improve upon it! 🚀 Level up your SQL skills with these HackerRank challenges and become a coding master! 🚀 You signed in with another tab or window. Instant dev environments 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. Get certified with hakerrank SQL Interme Skip to content. The query should return all customers ,even customers without invoices and also products,even those products that were not sold. Write better code with AI Code review. All Solutions are made in the MSSQL Syntax. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. e. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Without Sales(solution-1,2). sql. We use cookies to ensure you have the best browsing Problem. My solutions to HackerRank problems. id (category="product") Name: customer. custome Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. SQL (Intermediate) It includes complex joins, unions, and sub-queries. We use cookies to ensure you have This is a new question Hackerrank has added for the advance level SQL certification. select 'product' as category, p. We use cookies to ensure you have the best browsing experience on our website. Test duration 35 mins. Host and manage packages Security. ________ Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. 65%. Julia asked her students to create some coding challenges. Automate any workflow Codespaces. ORDERQUANTITY) SALEQTY FROM PRODUCTS AS PRO INNER JOIN DBO. Latest commit Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. 08 seconds versus 22 seconds on my server! Also provided edit/copy/delete options in PHPMyAdmin, where the other did not. 4% of all SQL online submissions for this problem. select sku,product_name from PRODUCT P left join INVOICE_ITEM Ii on Ii. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions This solution has a runtime of 5853ms and it's faster than 5. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution About. mysql. The LEFT JOIN keyword returns all records from the left table (Sales), and the matched records from the right table (Product). We use cookies to ensure Product GitHub Copilot. Plan and track work All HackerRank solutions for This collection provides solutions to the HackerRank SQL Certification Test problems. id = i. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Automate any workflow You signed in with another tab or window. Basic. There are almost always multiple solutions to the same problem. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution product-sales-per-city. These questions not only tested my technical skills but also challenged me to think critically. Medium SQL (Intermediate) Max Score: 30 Success Rate: 93. These challenges cover a wide range of programming topics and are designed to assess and validate your coding skills. I took the HackerRank test on 10/11/2023. You switched accounts on another tab or window. . I was not able to solve it at all. SQL Solutions: A collection of SQL queries that solve various database-related problems on HackerRank. Solutions to the SQL HackerRank challenges. Solutions By company size. Product GitHub Copilot. sku, product. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. Contribute to dkeitley/sql-hackerrank development by creating an account on GitHub. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Explore my GitHub repository to learn from my experiences and find 2 List Customer and Product Without Sale Using the UNION operator in one list return all customers who do not have an invoice and all products that were not sold For each customer without an invoice return - the string customer - the 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 intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Latest commit Saved searches Use saved searches to filter your results more quickly Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Now, Samantha’s best friend got offered a higher salary than her at 11. Intermediate. Please check 1. category AND a. All customers who do not have an invoice All products that were not sold Category: Is this related to "customer" or "product"? Print "customer or "product" ID: Customer. Each solution is crafted to be efficient and clear, making this an excellent resource for anyone looking to strengthen their SQL skills. Status. Customer Spending. Dive deeper into SQL with complex joins, unions, and sub-queries. The certificate can be viewed here. Get certified with hakerrank SQL Interme This is too long for a comment. 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 is the only video you will need to improve you The customer spending question answer of hacker rank is wrong the correct answer is SELECT c. Instant dev environments Issues. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. If you’re a data scientist or software engineer on the job market, the ability to demonstrate your database skills in an SQL interview About. Your three queries are different semantically, as written with the provided table definitions. Basic . * FROM tbProduct a INNER JOIN ( SELECT Category, MAX(Price) maxPrice FROM tbProduct GROUP BY Category ) b ON a. id = Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. Find and fix vulnerabilities Actions. PROID = OD. github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens You signed in with another tab or window. This table contains Packages. We use cookies to ensure you have Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Hackerrank Intermediate SQL certification solutions with basic SQL quarries, Sub quarries and Aggregation functions. Goals. Here is Oracle solution from my HackerrankPractice repository: SELECT * FROM CITY WHERE COUNTRYCODE = ' USA ' AND POPULATION > 100000 ; Feel free to ask if you have any questions :) "City where each product has been sold" refers to the city of consumption, so you need to join transactions to consumers, sum the quantity by that city and the product. Click here to see more codes for Raspberry Pi 3 and similar Family. I hope this Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Click here to see solutions for all Machine Learning Coursera Assignments. SQL query for overview of purchased products per user. 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. Certificate can be viewed here. The second query uses a redundant select distinct. My journey of earning a SQL certification and tackling HackerRank SQL challenges. It showcases my growth, challenges faced, and solutions offered. Instant dev environments GitHub Copilot. Sort your results by the total number of challenges in Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; This was MUCH faster than the LEFT JOIN solution - 0. Can anyone help? There were a number of contests where participants each made number of attempts. Welcome to HackerRank SQL (Intermediate) Skills Certification Test. Product Actions. Crack your coding interview and get hired. ORDERDETAILS AS OD ON PRO. Write a query to find the employee IDs along with the 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 Why this video is 7. Retrieve each product bought by a customer MySQL. txt at To solve this problem, we’ll break it down into steps focusing on SQL query construction using the UNION operator to combine results from two separate queries: one for customers without an #### Solution By Steps ***Step 1: Identify Customers Without Invoices*** Select all customers who do not have a corresponding entry in the invoices table. Watch also my other videos for more SQL Certification Solutions. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Programs / Questions. Contribute to lpinzari/sql-psql-udy development by creating an account on GitHub. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Navigation Menu Toggle navigation Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Inside you will find the solutions to all HackerRank SQL Questions. Write a query to print the hacker_id, name, and the total number of challenges created by each student. Source Code 2 In this solution, we use a LEFT JOIN to combine rows from Sales and Product where the product_id matches. SELECT TOP(2) PRO. Blame. exchange_rate) and calculates a row number for each row. FROM sales_amount s: The sales_amount table is aliased as s. Sign in Product Welcome to CarrY4U This collection provides solutions to the HackerRank SQL Certification Test problems. DevSecOps DevOps CI/CD View all use cases By industry. id = i Hacker rank SQL intermediate solution. Manage code changes Solution. In this video I am solving the intermediate Certification Skills Test on Hackerrank. The output column headers should be Doctor, Professor, Singer, and Actor, respectively. The first query is different from the other two, logically. Ollivander's Inventory. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. sql files for the solutions I submitted! Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. category = b. Navigation Menu Toggle navigation Actions. customer_name, CAST(SUM(i. To arrive at " the most " we need a ranking so dense_rank() can ordered by the sum of quantity (descending) and a rank of 1 would equate to "the most sold" (note: equal 1st Product Actions. I am guessing that all decent databases would You signed in with another tab or window. Manage the Tested ms sql Query to Find Faster Selling product from above table. PROID GROUP BY PRO. customer_name (category="customer") or product. Student Analysis. Note: Print NULL when there are no more names corresponding to an occupation. Surprisingly it does seem to understand PL/SQL; and even more surprisingly it handles the set serveroutput on, which is a SQL\Plus/SQL Developer client command. Navigation Menu Toggle navigation. ---- Products Without Sales (solution_1) SELECT product. Skills. Unless quantity is declared as NOT NULL, then it can return matching records where the quantity is NULL. Student Advisor. Sub-queries: Enhance your querying Skip to content. Merit Rewards. Contribute to sknsht/HackerRank development by creating an account on GitHub. Find and fix vulnerabilities Codespaces. maxPrice SQL HackerRank Solutions This repository contains comprehensive solutions to all SQL challenges on HackerRank, designed to aid in your preparation and mastery of SQL. Navigation Menu Toggle navigation This repo contains notes on SQL and PostgreSQL. After your test cases get passed!!!! Happy Learning!!!! Saved searches Use saved searches to filter your results more quickly HackerRank Beginner and Intermediate SQL Certification Solutions - Vaneeza-7/HackerRank-SQL-Certification-Solutions Is Hackerrank SQL advanced certification useful for job applications? comments sorted by Best Top New Controversial Q&A Add a Comment. 170+ solutions to Hackerrank. This project is open-source and available under the MIT License. 00, where as the actual average salary is 39. Print NA for null customers or product or null quantity . The attempt with the highest score is only one considered. PRONAME Product GitHub Copilot. I have taken HackerRank test on 9th Oct 2022. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. x), the exchange rate (e. . com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/SQL Project Planning. Solve Challenge. Write a query to find the maximum total earnings for all employees as well as the total number of employees who have maximum total This repository contains my solutions to various HackerRank certification challenges. These solutions showcase different SQL techniques and concepts. wmkoka mzbsts godvhrtwi cvszn tsn jghsic whsuj yeq bnor tdlikwz