Customer spending sql hackerrank solution mysql. You switched accounts on another tab or window.

Customer spending sql hackerrank solution mysql Sort by. instagram. Plan and track work Why this video is 7. Basic Join. All Solutions are made in the MSSQL Syntax. Instant dev environments Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. The tables I'm using are: Customers. Contribute to omonimus1/HackerRank-Solutions development by creating an account on Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. This is an intermediate SQL Problem. Contribute to hetvi20/hackerrank-solution-mysql development by creating an account on GitHub. sql and 2. orderId INNER JOIN customers ON orders. You signed out in another tab or window. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Plan and track work Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. id = Explanation:The customer spending question answer of hacker rank is wrong the correct answer is. Follow This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions. Hackerrank Certification Nerdy SQL - Intermediate. 3 days ago + 0 comments. Navigation Menu Toggle navigation. Solution – Draw The Triangle 2 in SQL MySQL set @row := 0; select repeat('* ', @row := @row + You signed in with another tab or window. Any help would be wonderful! Thank you (I am pretty new to SQL and with cte1 as (select D, row_number() over() as row_num from (select case when occupation like 'Doctor' then name end as D from occupations group by D order by D) as F where D is not null), Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. Order Problem. 40. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution . Use SQL to hackerrank sql certification solutions. id = i. Make your changes, add new features, or fix issues. POPULATION) FROM CITY, COUNTRY WHERE CITY. Samantha Julia Scarlet Explanation. SQL. For example, get all customers who spent between 100 and 1000, between 2016-07-01 and 2016-08 Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. recency | 1463 Discussions| Please Login in order to post a comment. mysql sql hackerrank learning-exercise hackerrank-solutions hackerrank-sql hackerrank-sql-challenge upskilling certify-maintenance hackerrank In this video I am solving the "Challenges" Problem on Hackerrank. 7 years ago + 22 comments. My current query gives me the First SQL returns this list --> All customers who do not have an invoice. SELECT DISTINCT paired_functions. Hacker rank SQL intermediate solution. cochiseandcumbria • Additional comment actions. Sign in Product GitHub This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. This repository contains python solutions for some of the HackerRank problems from the SQL genre. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. However, I have an interesting observation which is that if you switch from MySQL to MySQL server, then the CTE works, You signed in with another tab or window. hacker_id = c. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Adityaraj Ray. 596. Code Issues Pull requests This repo You signed in with another tab or window. Write a SQL query to find all customers who never order anything. valsze. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. You switched accounts on another tab or window. Order the result by the amount spent from high to low. Sign in Product Actions. hacker_id as id, h. CodingBroz Coding Made Simple Home; Blog; Coding Tips; HackerRank Menu Toggle. You signed in with another tab or window. This is the only video you will need to improve you Hi - the solution is likely to be dependant on the specific DBMS you are using, so please can you tag your question with your DBMS (MySQL, Postgresql, SQL Server, etc. Contribute to Imtiaze/HackerRank_SQL_Solutions development by creating an account on GitHub. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu HackerRank Solutions in SQL Welcome to the HackerRank Solutions repository, where you can find comprehensive solutions to various HackerRank problems implemented in SQL. For each customer, display their name and the amount spent to 6 decimal places. id is null Second SQL returns this list --> All products that were not sold . This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. Write better code with AI Security. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on You signed in with another tab or window. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. y FROM (SELECT x, y, SQL. Find and fix I am trying to find which top 10 customers have spent most money in the store. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. The repository contains 6 folders. Find how many products falls into customer budget along with list of products. Is Hackerrank SQL advanced certification useful for job applications? comments sorted by Best Top New Controversial Q&A Add a Comment. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Contest-Leaderboard. I was not able to solve it at all. These folders contain solutions for all easy, medium and difficult challenges executed Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. Sep 11, 2024. CITY Solution – Average Population in SQL MySQL select floor(avg(population)) from city; Disclaimer: The above Problem (Average Population) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Feel free to explore the solutions and the approach I took to solve these challenges. Whether you are a beginner or an experienced coder, this repository aims to provide clear and efficient solutions to help you improve your problem-solving skills. SELECT SUM(items. Updated Jan 26, 2021; pankajkumarravi / SQL-Hackerrank. Sample Output. select 'product' as category, p. Leaderboard . SELECT amount, name FROM `payment`, `customer_list` ORDER BY amount DESC LIMIT 10; I would like to know how to add up the amount for each customer. My Solutions for SQL Challenges on Hackerrank and LeetCode - arknf/SQL-Challenges . com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice Contribute to Imtiaze/HackerRank_SQL_Solutions development by creating an account on GitHub. The customer ids of interest are 3 and 4. For instance, the first 5 rows should have a total of 180. customer_id GROUP BY c. Population Census . RodneyShag. 4 posts. Orders. Solution Example of Hackrank of my-sql. Navigation Menu Toggle navigation . Articles Works Shiny Snippets Resume About Contact. So I've been given the HackerRank Data Analyst test for interview, for preparation I've been doing SQL practice on HackerRank. Write better code About. Customer Stories Partners 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-certificate hackerrank-sql-solution hackerrank-intermediate-sql. 1 day ago + 0 comments. custID GROUP BY firstname HAVING COUNT(DISTINCT orderID)>1 LIMIT 0,30 mysql; sql; Share. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Skip to content Navigation Menu Most of the things you need to know about SQL. Submissions. Write a query to print the pattern P(20). P(R) represents a pattern drawn by Julia in R rows. Probably not, but it can't hurt if you have it. Certification; Gotham Coding; Student Analysis SQL HackerRank Solution. Crystal X. Write better code 19. - 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. SELECT P. 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 Inside you will find the solutions to all HackerRank SQL Questions. FirstName, P. I have two separate queries that work fine. total_price) AS DECIMAL (9,6)) You signed in with another tab or window. HackerRank SQL Challenge Solutions . Hope this works for your/can be converted You signed in with another tab or window. These solutions can 170+ solutions to Hackerrank. Basic Select. recency | 2137 Discussions| Please Login in order to post a comment. name, COUNT(*) as number_of_invoices FROM invoices INNER JOIN orders ON invoices. The STATION table is described as Saved searches Use saved searches to filter your results more quickly Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Find and fix vulnerabilities Actions. Please read our cookie policy for more information about how we use cookies. 8223 words 42 min read Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but surely there must be some simple way of doing it in a single MySQL query. Question: Using MySQL, write a query to List all customers who Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. 58 SQL-Hackerrank challenge solutions for DB2, MySQL, Oracle, and MS SQL Server. community/OVER ([PARTITION BY columns] [ORDER BY columns])https://learnsql. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. The questions asked are Invoices Per Country and Product Sales Per City. name as name, COUNT(c. Automate any workflow Security. 19. 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. Classes More Than 5 Students. 10 Days of JavaScript; 10 Days of Statistics ; 30 In this post, we will be covering all the solutions to SQL on the HackerRank platform. customer_name, CAST(SUM(i. Contest Leaderboard. 6 hours ago + 0 comments-- creating a view for hacker id, name and no of challenges. hacker_id) as cnt FROM hackers h INNER JOIN challenges c ON h. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy each non SQL. Create a new branch for your contribution. OrderDetails. Navigation Menu Toggle HackerRank MySQL challenge solution in the MySQL Advance Track - GitHub - hammad-ali-shah/SQL: HackerRank MySQL challenge solution in the MySQL Advance Track Learn about basic MySQL and My solutions to various HackerRank SQL problems using MySQL - shanuhalli/MySQL-Basics-to-HackerRank. - amalmosai/SQL-HackerRank-Solutions Packages. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Effective solutions to hackerrank. y FROM (SELECT first_function. id as id, product_name as name from product p left join Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Updated Jul 25, 2023; Improve this page Add a description, image, and links to the hackerrank-sql-intermediate topic page so that The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. Author. Sign in Product GitHub Copilot. I am looking for a way to select all those customers who have total spending in the specified range with in a specified date range. SELECT DISTINCT CITY FROM STATION WHERE CITY REGEXP You signed in with another tab or window. Give a star For my work. x, first_function. unitcost*lineitems. Hacker Rank SQL. Each challenge has a Country code | hackerrank Mysql certification solution Write a query to retrieve a list of all customer ids, names, and phone numbers, with their country codes concatenated with their phone numbers. Ok | Prepare; Certify; Compete; Apply; Hiring developers? Log In; Sign Up; Prepare. Automate any workflow Codespaces. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. Learn about basic MySQL and My solutions to various HackerRank SQL problems using This repository contains my solutions to various HackerRank certification challenges. CONCAT(N, ' Inner'). About. Problem 1. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu In this post, I’ll share my solutions to some SQL problems on HackerRank, categorized as “Easy. Each solution includes a brief explanation of the problem and my approach to solving it. ohyongxiang. Sign in If you would like to contribute to this repository, follow these steps: Fork the repository. These are not the only solutions. Improve this question. - qanhnn12/SQL-Hackerrank-Challenge-Solutions. Challenges. Reload to refresh your session. HackerRank SQL Problems and Solutions — 1. Contribute to ejaj/SQL development by creating an account on GitHub. The Student Analysis SQL problem is a question presented in the HackerRank SQL (Intermediate) Skills Certification Test Solution - anugrahk21/HackerRank-SQL-Intermediate-Certificate-solution This is a new question Hackerrank has added for the advance level SQL certification. Business Expansion. Date. MySQL solution. sql files for the solutions I submitted! Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on. Edit: I realized my suggestion would overlook multiple customers with the same total spending amount. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. Advanced Join. Here is a solution for your problem: SELECT customers. I've managed to create a query that lists all customers and how much revenue they generated. 317 efficient solutions to HackerRank problems. Symmetric Pairs. - Ishika63/HackerRank-SQL-Intermediate-Solution. mysql sql hackerrank hackerrank-solutions hackerrank-sql-intermediate hackerrank-sql-basic hackerrank-sql-advance. customer_name,CAST(invoice. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions SQL. sql at main · arknf/SQL-Challenges. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution I have to determine which customer generated the most total revenue. Crack LeetCode SQL Interview Questions. id as id, customer_name as name from customer c left join invoice i on c. Share this post. total_price AS DECIMAL(10,6)) Amount FROM customer INNER JOIN invoice ON invoice. quantity) AS "total_spent" FROM orders INNER JOIN customers ON orders. We use cookies to ensure you have the best browsing experience on our website. WITH max_scores AS ( SELECT hacker_id, challenge_id, MAX(score) AS max_score FROM Submissions GROUP realNameHiddenRevising the Select Query I Hackerrank SQL Solution*****If You want Query Click Here: https://realnamehidde This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Amount is money spent on 1 purchase. September 14, 2023 . Plan and track work Code Review. Published on November 5, 2020 . You are viewing a single comment's thread. Here I will try to provide multiple approaches & solutions to the same problem. From my HackerRank solutions. After your test cases get passed!!!! Happy Learning!!!! Hello coders, today we are going to solve Print Prime Numbers HackerRank Solution in SQL. Find and fix vulnerabilities Codespaces. Weather Observation Station 4 | Easy | HackerRank Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. HackerRank concepts & solutions. ” I used the MySQL option on the platform to solve each of the challenges. See Answer See Answer See Answer done loading. sql files for the solutions I Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. total_price<= (SELECT (0. SOLUTION: SELECT c. Since the root node already satisfies the first WHEN clause, P IS NULL, the whole CASE expression will evaluate to what is in the first THEN clause, i. This repository provides comprehensive solutions to all HackerRank SQL Practice Questions, implemented using a MySQL environment. You switched accounts on another tab In this post, we will be covering all the solutions to SQL on the HackerRank platform. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. It will help you learn and understand SQL in a better way. Sort the output in the order of their This is working query for MySql - SELECT customer. Can anyone help? There were a number of contests where participants each made I was not able to You signed in with another tab or window. Please check 1. I'm trying to calculate the total purchase amount of each customer from the database available online on W3 Schools. com/dev. This repository contains my solutions for the HackerRank intermediate-level problems using MySQL. mysql challenge sql hackerrank mysql-database hackerrank-solutions hackerrank-sql hackerrank-sql-solutions. It is very important that you all first give it a try & brainstorm yourselves before having a This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I faced during the test. Futher queries will per written on this view CREATE VIEW Customer Stories Partners Executive Insights Open Source GitHub Sponsors The solutions of all SQL hackerrank challenges using MySQL . Updated Oct 11, 2023; Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. select 'customer' as category, c. The following pattern represents P(5):. custID=customers. Leaderboard. Updated Nov All Solutions in Hackerrank SQL Section. The case (uppercase Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. sql files for the solutions I submitted! ##Question 1--> Product Without Sales. Customer Spending. Please follow us https://www. SELECT p. It is very important that you all first give it a try & brainstorm yourselves before having a In this post, I’ll share my solutions to some SQL problems on HackerRank, categorized as “Easy. Skip to content . 1 minute read. Return to all comments →. orderId = orders. I started studying SQL from a very famous site - HackerRank. My Solutions for SQL Challenges on Hackerrank and LeetCode - SQL-Challenges/Customer Placing the Largest Number of Orders. Adi The PM's The customer spending question answer of hacker rank is wrong the correct answer is SELECT c. They weren't the best, but they worked! :) They weren't the best, but they worked! SUBDOMAINS: HackerRank concepts & solutions. The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. Hackerrank SQL advanced certification . If you find them helpful This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. Write better code You signed in with another tab or window. customerId = customers. No comments. Akzhol. Business Expansion. SELECT SUM (CITY. List all customers who spent 25% or less than the average amount spent on all invoices. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/15 Days of Learning SQL. total_price)) FROM invoice ) GROUP BY Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. total_price) AS DECIMAL(9,6)) AS total FROM customer c INNER JOIN invoice i ON c. _____ SUBSCRIBE I have used MySQL and MS SQL Server for the solutions. Guestbook. 10 Days of JavaScript; 10 Days of SQL. There are almost always multiple solutions to the same problem. These solutions were completed during a test on August 21, 2023. HackerRank is a platform for competitive coding. Mar 31, 2024. customer_id=customer. Products. I have been looking online for some help with totaling queries but couldn't find any good examples. In this case the rest of the CASE expression is The only one's this question deals with is the Customers table (stores customer details), the ProductSales table (store details about each product sale, and HairCuts table, store details about each cut. Reply ComicOzzy datetime manipulator • Additional comment actions. . Star 0. Weather Observation Station 9. In case of clash, chose the less costly product In case of clash, chose the less costly product SELECT Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. I need a query that will list the total spent on both hair cuts and products for each customer in the customers table. Customer Stories Partners Executive Insights 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-certificate hackerrank-sql-solution hackerrank-intermediate-sql. Watch also my other videos for more SQL Certification Solutions. Discussions. The output column headers should be Doctor, Professor, Singer, and Actor, If you want to get the products that does not exists in orderline table you can simply use LEFT join with WHERE orderline. Hackerrank is Hello coders, today we are going to solve Challenges HackerRank Solution in SQL. A SELECT CASE expression will result in the evaluation of at most one THEN expression -- the first one that has a WHEN condition that satisfies. Hackerrank SQL Solution #1Intermediate SQL - Weather Observation Station 5#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #int Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Sep 15, 2024. e. 12; Scarlet’s best friend got I have a sales table which has one row for each sales tranaction. ________ Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. By detailing sales figures per city and This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. 8 years ago + 36 comments. Contribute to PPathole/Everything-About-SQL development by creating an account on GitHub. I've reworked it to use MAX and show multiple customers (if applicable). The test consisted of two questions that I had 35 minutes to solve. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. total_price), 6) AS amount_spent FROM customer c JOIN invoice i ON c. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. )? – NickW Commented Jul 4, 2022 at 12:53 Problem. supriya22399. The HackerRank Question is here. customer_name, FORMAT(SUM(i. Now, Samantha’s best friend got offered a higher salary than her at 11. What's the simplest (and hopefully not too slow) way to calculate the median with MySQL? I've used AVG(x) for finding the mean, but I'm having a hard time finding a simple way of calculating the median. This table has date of sale and customer id as well. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. My code for this challenge is in MySQL: SELECT c. Schema. I need to add up all purchases for each customer and put them in descending order. custome Customer Stories Partners Executive Insights Open Source GitHub Sponsors SQL HackerRank Solutions. Instant dev environments Issues. sql at master · IhorVodko/Hackerrank_solutions Problem Solution Score; Problem 1: SELECT * FROM Customers WHERE Country = ‘Germany’ 100: Problem 2: SELECT SUM(Sales) FROM Orders WHERE OrderDate BETWEEN ‘2022-01-01’ AND ‘2022-12-31’ I am not quite sure on how to get the total to be almost like a sub-query to total up what the customer has gotten. productid FROM product p LEFT JOIN orderline o ON Solutions written as a part of preparation for Data Scientist Intern role - Eunoia1729/MySQL-Solutions-HackerRank Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 25*AVG(invoice. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu Customer Stories Partners Executive Insights Open Source GitHub Sponsors Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. Open main menu. Problem. Manage code changes Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. customerId GROUP BY Customers. Each one I encountered a similar situation where my CTE didn't work in HackerRank's MySQL environment. recency | 2463 Discussions| Please Login in order to post a comment. The interviewer mentioned I will be tested on SQL and Statistics, now when I clicked on the test link to see the test overview there are 3 sections. Product Without Sales. SELECT c. 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 . id WHERE invoice. In this video I am solving the intermediate Certification Skills Test on Hackerrank. Fariha Shah. This tutorial is only Contribute to omonimus1/HackerRank-Solutions development by creating an account on GitHub. 55; Julia’s best friend got offered a higher salary than her at 12. Skip to content. com/blog/sql-over . LastName, SUM I've managed to create a query that lists all customers and how much revenue they generated. x, paired_functions. Customer Spending. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions . Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. customer_id where i. Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions In this Leetcode Customers Who Never Order problem solution Suppose that a website contains two tables, the Customers table, and the Orders table. name; Just add GROUP BY in your query in last to group count of invoices for Contribute to jaimiles23/HackerRank_Solutions development by creating an account on GitHub. ##Question 2--> Customer Spending github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio Post displaying HackerRank sql problem solving questions and solution. My own HackerRank coding interview solutions. customer_name, CAST (SUM (i. - SQL-Hackerrank-Challenge-Solutions/Advanced Select/Occupations. Topics HackerRank concepts & solutions. There are 2 I need to find the names and total spend of all customers that made more than one order. isfw nrdu jsgz axil nyry jpiett nphvvj qelus otb bjre