Customer spending sql hackerrank solution mysql. HackerRank concepts & solutions.

Customer spending sql hackerrank solution mysql This tutorial is only Contribute to omonimus1/HackerRank-Solutions development by creating an account on GitHub. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Contest-Leaderboard. You are viewing a single comment's thread. Edit: I realized my suggestion would overlook multiple customers with the same total spending amount. 40. Sep 11, 2024. Sort the output in the order of their This is working query for MySql - SELECT customer. total_price) AS DECIMAL (9,6)) You signed in with another tab or window. 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. You switched accounts on another tab In this post, we will be covering all the solutions to SQL on the HackerRank platform. Find how many products falls into customer budget along with list of products. customer_name, FORMAT(SUM(i. This repository contains my solutions for the HackerRank intermediate-level problems using MySQL. Updated Jan 26, 2021; pankajkumarravi / SQL-Hackerrank. hacker_id) as cnt FROM hackers h INNER JOIN challenges c ON h. - qanhnn12/SQL-Hackerrank-Challenge-Solutions. sql files for the solutions I submitted! ##Question 1--> Product Without Sales. cochiseandcumbria • Additional comment actions. _____ SUBSCRIBE I have used MySQL and MS SQL Server for the solutions. MySQL solution. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/15 Days of Learning SQL. customer_name,CAST(invoice. I need to add up all purchases for each customer and put them in descending order. 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. hacker_id = c. name as name, COUNT(c. Write a query to print the pattern P(20). All Solutions are made in the MSSQL Syntax. 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. Hackerrank SQL advanced certification . quantity) AS "total_spent" FROM orders INNER JOIN customers ON orders. 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. My Solutions for SQL Challenges on Hackerrank and LeetCode - arknf/SQL-Challenges . Hacker Rank SQL. Problem 1. 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. recency | 1463 Discussions| Please Login in order to post a comment. Contribute to hetvi20/hackerrank-solution-mysql development by creating an account on GitHub. The HackerRank Question is here. id is null Second SQL returns this list --> All products that were not sold . Sign in Product GitHub Copilot. 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. This is an intermediate SQL Problem. 6 hours ago + 0 comments-- creating a view for hacker id, name and no of challenges. 4 posts. Automate any workflow Security. No comments. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Challenges. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. 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. It will help you learn and understand SQL in a better way. Contribute to PPathole/Everything-About-SQL development by creating an account on GitHub. - 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. Skip to content. FirstName, P. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. Population Census . Learn about basic MySQL and My solutions to various HackerRank SQL problems using This repository contains my solutions to various HackerRank certification challenges. SELECT DISTINCT paired_functions. From my HackerRank solutions. Return to all comments →. Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. 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. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution I have to determine which customer generated the most total revenue. In this video I am solving the intermediate Certification Skills Test on Hackerrank. Contribute to omonimus1/HackerRank-Solutions development by creating an account on Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Here I will try to provide multiple approaches & solutions to the same problem. Find and fix vulnerabilities Codespaces. Guestbook. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. Now, Samantha’s best friend got offered a higher salary than her at 11. CONCAT(N, ' Inner'). 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. Akzhol. I was not able to solve it at all. 55; Julia’s best friend got offered a higher salary than her at 12. select 'product' as category, p. This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. customer_id where i. P(R) represents a pattern drawn by Julia in R rows. 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. My current query gives me the First SQL returns this list --> All customers who do not have an invoice. 8223 words 42 min read Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. 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. Leaderboard. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy each non SQL. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. SQL. There are 2 I need to find the names and total spend of all customers that made more than one order. Order Problem. 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. See Answer See Answer See Answer done loading. POPULATION) FROM CITY, COUNTRY WHERE CITY. 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. Sign in Product GitHub This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. 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 . community/OVER ([PARTITION BY columns] [ORDER BY columns])https://learnsql. Fariha Shah. My own HackerRank coding interview solutions. 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. customerId GROUP BY Customers. Certification; Gotham Coding; Student Analysis SQL HackerRank Solution. This table has date of sale and customer id as well. 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. - Ishika63/HackerRank-SQL-Intermediate-Solution. Here is a solution for your problem: SELECT customers. You switched accounts on another tab or window. CodingBroz Coding Made Simple Home; Blog; Coding Tips; HackerRank Menu Toggle. 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. OrderDetails. Sort by. Order the result by the amount spent from high to low. Write a SQL query to find all customers who never order anything. Is Hackerrank SQL advanced certification useful for job applications? comments sorted by Best Top New Controversial Q&A Add a Comment. 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 . SELECT SUM(items. - SQL-Hackerrank-Challenge-Solutions/Advanced Select/Occupations. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. Code Issues Pull requests This repo You signed in with another tab or window. SELECT p. Sample Output. Probably not, but it can't hurt if you have it. Each solution includes a brief explanation of the problem and my approach to solving it. 317 efficient solutions to HackerRank problems. After your test cases get passed!!!! Happy Learning!!!! Hello coders, today we are going to solve Print Prime Numbers HackerRank Solution in SQL. SELECT P. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. SOLUTION: SELECT c. List all customers who spent 25% or less than the average amount spent on all invoices. custID GROUP BY firstname HAVING COUNT(DISTINCT orderID)>1 LIMIT 0,30 mysql; sql; Share. ohyongxiang. Make your changes, add new features, or fix issues. supriya22399. valsze. 7 years ago + 22 comments. Discussions. Amount is money spent on 1 purchase. Reload to refresh your session. Hackerrank is Hello coders, today we are going to solve Challenges HackerRank Solution in SQL. HackerRank SQL Problems and Solutions — 1. Please read our cookie policy for more information about how we use cookies. Published on November 5, 2020 . 596. The tables I'm using are: Customers. 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. 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. 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. sql at main · arknf/SQL-Challenges. customer_name, CAST (SUM (i. 58 SQL-Hackerrank challenge solutions for DB2, MySQL, Oracle, and MS SQL Server. HackerRank is a platform for competitive coding. The repository contains 6 folders. I've managed to create a query that lists all customers and how much revenue they generated. 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. The test consisted of two questions that I had 35 minutes to solve. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Skip to content . com/dev. If you find them helpful This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. Sign in Product Actions. Sep 15, 2024. Question: Using MySQL, write a query to List all customers who Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. x, first_function. 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. Contest Leaderboard. Topics HackerRank concepts & solutions. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. 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. September 14, 2023 . I'm trying to calculate the total purchase amount of each customer from the database available online on W3 Schools. Business Expansion. custome Customer Stories Partners Executive Insights Open Source GitHub Sponsors SQL HackerRank Solutions. recency | 2137 Discussions| Please Login in order to post a comment. I need a query that will list the total spent on both hair cuts and products for each customer in the customers table. I have been looking online for some help with totaling queries but couldn't find any good examples. Product Without Sales. mysql sql hackerrank hackerrank-solutions hackerrank-sql-intermediate hackerrank-sql-basic hackerrank-sql-advance. Instant dev environments Issues. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Feel free to explore the solutions and the approach I took to solve these challenges. 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. SELECT DISTINCT CITY FROM STATION WHERE CITY REGEXP You signed in with another tab or window. Open main menu. This repository contains python solutions for some of the HackerRank problems from the SQL genre. 3 days ago + 0 comments. Orders. We use cookies to ensure you have the best browsing experience on our website. id = i. id as id, customer_name as name from customer c left join invoice i on c. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions SQL. y FROM (SELECT x, y, SQL. Each one I encountered a similar situation where my CTE didn't work in HackerRank's MySQL environment. 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. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. There are almost always multiple solutions to the same problem. select 'customer' as category, c. ________ Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Submissions. The questions asked are Invoices Per Country and Product Sales Per City. name, COUNT(*) as number_of_invoices FROM invoices INNER JOIN orders ON invoices. total_price AS DECIMAL(10,6)) Amount FROM customer INNER JOIN invoice ON invoice. Navigation Menu Toggle navigation . This repository provides comprehensive solutions to all HackerRank SQL Practice Questions, implemented using a MySQL environment. Schema. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Adityaraj Ray. Please follow us https://www. HackerRank concepts & solutions. 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. Find and fix I am trying to find which top 10 customers have spent most money in the store. 19. The case (uppercase Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. ” I used the MySQL option on the platform to solve each of the challenges. RodneyShag. customer_id=customer. Please check 1. x, paired_functions. Customer Spending. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on You signed in with another tab or window. Problem. 10 Days of JavaScript; 10 Days of SQL. Write better code About. Crack LeetCode SQL Interview Questions. total_price)) FROM invoice ) GROUP BY Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. 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. customer_name, CAST(SUM(i. Follow This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions. Advanced Join. Products. Customer Spending. Find and fix vulnerabilities Actions. Write better code You signed in with another tab or window. Improve this question. Author. Articles Works Shiny Snippets Resume About Contact. Star 0. Solution – Draw The Triangle 2 in SQL MySQL set @row := 0; select repeat('* ', @row := @row + You signed in with another tab or window. Hackerrank Certification Nerdy SQL - Intermediate. Hacker rank SQL intermediate solution. Mar 31, 2024. Business Expansion. orderId = orders. SELECT c. Share this post. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. unitcost*lineitems. These challenges cover a wide range of programming topics and are designed to assess and validate your coding skills. Ok | Prepare; Certify; Compete; Apply; Hiring developers? Log In; Sign Up; Prepare. recency | 2463 Discussions| Please Login in order to post a comment. The following pattern represents P(5):. Samantha Julia Scarlet Explanation. mysql challenge sql hackerrank mysql-database hackerrank-solutions hackerrank-sql hackerrank-sql-solutions. Solution Example of Hackrank of my-sql. total_price<= (SELECT (0. 12; Scarlet’s best friend got I have a sales table which has one row for each sales tranaction. I have two separate queries that work fine. Plan and track work Why this video is 7. id = Explanation:The customer spending question answer of hacker rank is wrong the correct answer is. ##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. y FROM (SELECT first_function. Plan and track work Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. instagram. total_price), 6) AS amount_spent FROM customer c JOIN invoice i ON c. 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. Reply ComicOzzy datetime manipulator • Additional comment actions. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. . So I've been given the HackerRank Data Analyst test for interview, for preparation I've been doing SQL practice on HackerRank. e. Crystal X. Write better code 19. My Solutions for SQL Challenges on Hackerrank and LeetCode - SQL-Challenges/Customer Placing the Largest Number of Orders. I started studying SQL from a very famous site - HackerRank. 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. Give a star For my work. Weather Observation Station 9. 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. 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 minute read. custID=customers. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Basic Join. 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. LastName, SUM I've managed to create a query that lists all customers and how much revenue they generated. Navigation Menu Toggle navigation. - amalmosai/SQL-HackerRank-Solutions Packages. 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. 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. Plan and track work Code Review. You signed in with another tab or window. Updated Oct 11, 2023; Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. The customer ids of interest are 3 and 4. 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. id WHERE invoice. Use SQL to hackerrank sql certification solutions. 1 day ago + 0 comments. 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. SELECT SUM (CITY. 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. You signed out in another tab or window. Leaderboard . 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. Contribute to ejaj/SQL development by creating an account on GitHub. These are not the only solutions. Watch also my other videos for more SQL Certification Solutions. sql and 2. Basic Select. orderId INNER JOIN customers ON orders. Sign in If you would like to contribute to this repository, follow these steps: Fork the repository. )? – NickW Commented Jul 4, 2022 at 12:53 Problem. 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. Updated Nov All Solutions in Hackerrank SQL Section. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. customer_id GROUP BY c. 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. They weren't the best, but they worked! :) They weren't the best, but they worked! SUBDOMAINS: HackerRank concepts & solutions. These solutions were completed during a test on August 21, 2023. Manage code changes Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. I've reworked it to use MAX and show multiple customers (if applicable). For instance, the first 5 rows should have a total of 180. 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 🎓. 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. Automate any workflow Codespaces. 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. 8 years ago + 36 comments. The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. total_price) AS DECIMAL(9,6)) AS total FROM customer c INNER JOIN invoice i ON c. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions . 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. Symmetric Pairs. Classes More Than 5 Students. 25*AVG(invoice. com/blog/sql-over . Instant dev environments Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. My code for this challenge is in MySQL: SELECT c. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Effective solutions to hackerrank. For each customer, display their name and the amount spent to 6 decimal places. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution . hacker_id as id, h. HackerRank SQL Challenge Solutions . Adi The PM's The customer spending question answer of hacker rank is wrong the correct answer is SELECT c. Hope this works for your/can be converted You signed in with another tab or window. Write better code with AI Security. Create a new branch for your contribution. Date. About. - 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. These solutions can 170+ solutions to Hackerrank. 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. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Skip to content Navigation Menu Most of the things you need to know about SQL. customerId = customers. epe lxd ceziow eftn zljpux ixrqeu gfodyd ininujhm fkf pofte