Maximum discount product sql hackerrank id = i. 98%. 31%. Write a subquery to retrieve the maximum value from a column and use it in a WHERE clause to filter results in an outer query 1 stories · Enhance your SQL skills with these engaging HackerRank challenges. maxPrice Easy SQL (Basic) Max Score: 10 Success Rate: 98. Crack your coding interview and get hired. 56%. The actual question is all customers details even those without invoices and all products even those which are not sold. We use cookies to ensure you have the best browsing Try this one if you want to get the whole row, (supports most RDBMS)SELECT a. 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. Easy. #include <stdio. Occupations. 62%. 69%. Easy SQL (Basic) Max Score: 10 Success Rate: 99. 01%. customer_id LEFT JOIN invoice_item ii ON ii. Medium SQL (Basic) Max Score: 25 Success Rate: 98. I want to know which product is on maximum discount for each category. 17%. Also, a full solution without the need to change modes was posted by @dougal_michael below, which uses the MIN() function instead. Medium Max Score: 30 Success Rate: 91. Skills. Let's define the cost, , of a path from some node to some other node as the maximum weight for any edge in the unique path from node to node . hacker_id = h. h> #include <math. maxPrice If All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. name, count(c. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. Each edge from node to in tree has an integer weight, . challenge_id) as ile from hackers h join challenges c on c. In the case of multiple products having same maximum discount within a category, print the product with the minimum product_id. customer_name, p. Each solution is crafted to address a specific SQL problem from the 我在上遇到了一个SQL问题(所以没有秩或窗口函数)： Product_Id Product_Name Category Price Discount Available 1 P-1 C-5 720 10 1 2 P-2 C-1 9 Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. We use cookies to ensure you have the best browsing Inner Join between the two tables using product_id, and calculate ist_price - min_price AS discount; Filter out the resultset to carry prices of 1989 only, using where YEAR(start_date) = 1989; Consider the resultset as a Derived Table, and sort it using discount value in descending order. h> #include <string. We use cookies to ensure you have the best Easy SQL (Basic) Max Score: 10 Success Rate: 99. Hard. In the case of multiple products having same maximum discount within a category, print the product Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Meta You signed in with another tab or window. Edits: Updated with the sql_mode='' based on @jakab922's comment. Select All. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. price = b. Solved. Subdomains. 54%. 71%. So, without wasting any time, let’s jump to the This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. Contains solved I want to know which product is on maximum discount for each category. Medium SQL (Basic) Max Score: 30 Success Rate: 93. 67%. This repository contains solutions for Hacker Rank SQL problems. SELECT c. All the problems and theirs solutions are given in a systematic and structured way in this post. name) x) , cte_max_chalenges AS (SELECT MAX(challenges) AS max_challenge FROM cte_a), duplicate_challenges AS How to find product with maximum discount SQL HackerRank. 16%. id LEFT JOIN product p ON #1 Code Example with C Programming. We use cookies to ensure you Easy SQL (Basic) Max Score: 10 Success Rate: 98. First, you'll need to calculate the discount for each product by subtracting the list price from the selling price. Reload to refresh your session. Beginner Certification Merit Rewards : Write a query to find employee Ids along with names of all employees who worked in the HR Solana Liu Asks: How to find the product with the maximum discount using SQL on HackerRank I'm having trouble with an SQL problem on HackerRank (so no The formula to find the maximum discount product in SQL is: MAX(Discount) = MAX(Price)-MIN(Price); This formula calculates the maximum discount available on a product HackerRank SQL Solutions. Medium. invoice_id = i. Code - C Programming. 66%. 57%. I HAVENOT DID DSA SINCE LONG AND ITS BORING FOR ME TO DO IT AGAIN SO LOOKING FOR A SERIOUS INTERVIE Looking for a study partner for SQL # Meta. We use cookies to ensure you have the best Easy SQL (Basic) Max Score: 10 Success Rate: 98. Revising Aggregations - The Sum Function. If you’re a data scientist or software engineer on the job market, the ability to demonstrate your database skills in an SQL interview You signed in with another tab or window. h> #include <stdlib. 72%. category = b. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. We use cookies to ensure you have the best browsing experience HI GUYS I WORK IN A PRODUCT BASED COMPANY GRADUATED FROM TIER1 COLLEGE IN NON CIRCUITAL BRANCH LOOKING TO DO DSA AND SYSTEM DESIGN FOR GOING TO FAANG . You signed out in another tab or window. 59%. To solve the "Maximum Discount Product" problem on **SQL **HackerRank, you can use a combination of subqueries, joins, and aggregation functions. * FROM tbProduct a INNER JOIN ( SELECT Category, MAX(Price) maxPrice FROM tbProduct GROUP BY Category ) b ON a. Basic Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Each challenge offers a unique opportunity to sharpen your abilities and boo My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - 07Agarg/HackerRank_Solutions. 65%. with cte as (select dense_rank() over (order by x. product_name, Coalesce((ii. 39%. 47%. Unsolved. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. We use cookies to ensure you have the best browsing Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 53%. Easy SQL (Basic) Max Score: 10 Success Rate: 98. . hacker_id, h. Status. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. hacker_id group by h. We use cookies to ensure you have the best browsing 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. ile desc) as ranking, * from (select h. African Cities. Medium SQL (Basic) Max Score: 30 Success Rate: 98. FROM tbProduct a INNER JOIN ( SELECT Category, MAX(Price) maxPrice FROM tbProduct GROUP BY Category ) b ON a. Weather Observation Station 19. Basic Easy SQL (Basic) Max Score: 10 Success Rate: 98. We use cookies to ensure you have the best browsing You signed in with another tab or window. New Companies. We use cookies to ensure you have the best browsing SQL interview questions have been a critical component of technical hiring for decades. Victoria wants your help processing queries on tree , where each query contains integers, and , such that . Discussão em 'Outras Linguagens' iniciado por Stack, Fevereiro 2, 2021. Average Population of Each Continent. We use cookies to ensure you have the best browsing Solana Liu Asks: How to find the product with the maximum discount using SQL on HackerRank I'm having trouble with an SQL problem on HackerRank (so no rank or window functions): Product_Id Product_Name Category Price Discount Available 1 P-1 C-5 Medium SQL (Basic) Max Score: 30 Success Rate: 93. You switched accounts on another tab or window. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. We use cookies to ensure you have the best browsing MS SQL. Use Limit 1 to find the product with maximum discount given in the This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. category AND a. HackerRank changed the default sql_mode behavior to only_full_group_by at some point after I posted this. We use cookies to ensure you have the best browsing experience Easy SQL (Advanced) Max Score: 25 Success Rate: 97. Medium SQL (Advanced) Max Score: 40 Success Rate: 93. Solve Challenge. I have also earned a 5-star badge on HackerRank for Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Victoria has a tree, , consisting of nodes numbered from to . Binary Tree Nodes. These concepts introduce more complex features and functionalities of SQL. h> int findLeft(const int value,const int start,const int end,const int v[]) { int result=start; while(v[result] < =value && result>end) result--; return result; } int findRight(const int value,const int start,const int v[]) { int result=start; while(v[result Easy SQL (Basic) Max Score: 10 Success Rate: 99. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. quantity), 0) AS quantity FROM customer c LEFT JOIN invoice i on c. Print Prime Numbers.
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