Customer spending sql hackerrank solution mysql oracle Author. I have to determine which customer generated the most total revenue. Open main menu. This is the only video you will need to improve you Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. 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 #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. 12; Scarlet’s best friend got Oracle Debuts MySQL HeatWave ML: Unleashing a Host of Advantageous Database Capabilities for Customers MySQL is the foremost popular SQL database used in the world and is widely used across the world’s leading web applications such as HackerRank supports Microsoft SQL, MySQL, Oracle, and DB2 databases. Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on. customer_name, CAST (SUM (i. " Learn more You signed in with another tab or window. Instant dev environments Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. _____ SUBSCRIBE 170+ solutions to Hackerrank. Here is the certificate I got using the solutions. SELECT SUM(items. " Learn more This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I faced during the test. Hacker_ID, H. Crack LeetCode SQL Interview Questions. Each challenge has a MySQL----Follow. CONCAT(N, ' Inner'). name, count(c. Write a query to find the employee IDs along with the The Merit Rewards SQL problem is a question presented in the HackerRank Basic SQL Certification exam. total_price) AS DECIMAL (9,6)) Post displaying HackerRank sql problem solving questions and solution. Creating a Database Question Click on the Library tab on the home page and then click on the Create Question button. Orders. Copy path. 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. 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 . total_price) AS DECIMAL(9,6)) AS total. Customer Stories Partners Executive Insights Open Source GitHub Sponsors HackerRank_solutions / SQL / Aggregation / Weather Observation Station 18. total_price), 6) AS amount_spent FROM customer c JOIN invoice i ON c. Sep 15, 2024. instagram. sql and 2. mysql. You switched accounts on another tab or window. Issues Pull requests The solutions of all SQL hackerrank challenges using MySQL environment. e. For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). sql. cusId = c. cusId and o. This is an intermediate SQL Problem. SET SESSION group_concat_max_len = 1000000; -- increase max length for group concat WITH ranked_scores AS ( SELECT event_id, participant_name, score, DENSE_RANK() OVER ( PARTITION BY event_id Customer Stories Partners Open Source mysql sql oracle hackerrank mysql-database oracle-11g oracle-db oracle-12c oracle-database hackerrank-solutions hackerrank-sql hackerrank-sql-solutions Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. WHEN A + B <= C OR A + C <= B OR B + C <= A THEN ' Not A Triangle ' 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. --Query all columns for all American cities in the CITY table with populations larger than 100000. 7 Advanced SQL Interview Questions. Customer Stories Partners Executive Insights Open Source GitHub Sponsors Working Platform:- DB2, MySQL, Oracle, MS SQL Server */ SELECT CASE . Topics 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 This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. No description HackerRank SQL Problems and Solutions — 1. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Raging Bull Raging Bull. FROM (SELECT customer_number, COUNT(customer_number) AS TOTAL. I've managed to create a query that lists all customers and how much revenue they generated. TotalScore Customer Spending. 8223 words 42 min read Add this topic to your repo To associate your repository with the hackerrank-sql-solutions-oracle topic, visit your repo's landing page and select "manage topics. Premium Powerups Explore Gaming. Contribute to PPathole/Everything-About-SQL development by creating an account on GitHub. - benkaan001/HackerRank-SQL. They should’ve mentioned that in the question. 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 Please follow us https://www. mysql The solutions of all SQL hackerrank challenges using MySQL . The STATION table is described as I wasted so much time trying to validate my query, thinking it was wrong, only to find out it was fine. Why this video is 7. CodingBroz Coding Made Simple Home; Blog; Coding Tips; HackerRank Menu Toggle. 10 Days of JavaScript; Solution – Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. In the Select Question Add this topic to your repo To associate your repository with the hackerrank-sql-solution topic, visit your repo's landing page and select "manage topics. Is Hackerrank SQL advanced certification useful for job applications? Advertisement Coins. Customer Stories Partners Executive Insights Open Source GitHub Sponsors MySQL: SQL: Aggregation: Sum function: You signed in with another tab or window. 4 of 6; Test your code You can compile your code and test it for errors and accuracy before submitting. Fariha Shah. Then you'll have a table with all the costs. - Ishika63/HackerRank-SQL-Intermediate-Solution your help is needed to This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. FROM CITY . Valheim TIL that the "My" in the popular MySQL database language refers to the co-founder's daughter's name. Sample Output. total_price<= UNION your two queries together. Hard. Each challenge has its own solution file with the SQL Learn about basic MySQL and My solutions to various HackerRank SQL problems using MySQL - shanuhalli/MySQL-Basics-to-HackerRank Hackerrank SQL Solution #2Intermediate SQL - Binary Tree Nodes#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview #inte 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. Easy. sql files for the solutions Explanation:The customer spending question answer of hacker rank is wrong the correct answer is. The test consisted of two questions that I had 35 minutes to solve. Customer Stories Partners Executive Insights Open Source GitHub Sponsors HackerRank_solutions / SQL / Aggregation / Weather Observation Station 19. It is very important that you all first give it Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. customer_name, CAST(SUM(i. Date. sql at main · arknf/SQL-Challenges # Write your MySQL query statement below. Please check 1. #Here are HackerRank questions and my solutions using MySQL. : enclosed in parentheses). Solved 100+ SQL queries (Basic, Intermediate and Advance level) in HackerRank by using MySQL, MS SQL Server and Oracle. This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. Share. mysql MySQL, Oracle, MS SQL Server */ SELECT NAME. I have been looking online for some help with totaling queries but couldn't find any good examples. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution I took the HackerRank test on 10/11/2023. Edit: I realized my suggestion would overlook multiple customers with the same total spending amount. 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. This is a SQL test, not an English test! my answer You signed in with another tab or window. You signed in with another tab or window. WHERE LAT_N = (SELECT MAX(LAT_N) Contribute to Nebler7/SQL development by creating an account on GitHub. My current query Problem. customer_id GROUP BY c. . blogspot. The real issue was the duplicates in the stats tables (view_stats and submission_stats). Updated Oct 7, 2021; To associate your repository with the hackerrank-sql-solutions topic, visit HackerRank concepts & solutions. Hacker Rank SQL. It can be sql hackerrank oracle-sql hackerrank-sql-solutions. JOIN PACKAGES P1 ON S. customer_name, FORMAT(SUM(i. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/15 Days of Learning SQL. The STATION table is described as follows:. Problem 1. I do not own or make these questions. custID GROUP BY firstname HAVING COUNT(DISTINCT orderID)>1 LIMIT 0,30 Contribute to omonimus1/HackerRank-Solutions development by creating an account on GitHub. Status. See result in SQL Fiddle. 76%. ID. You signed out in another tab or window. cost) AS hc_sales_total FROM Customers c INNER JOIN In case the there are one or more customers having maximum orders: select * from orders o, customer c where o. HackerRank-Solutions / SQL / 3_Aggregation / 12_Weather Observation Station 15 / Weather Observation Station 15. SOLUTION: SELECT c. Customer Spending. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. community/OVER ([PARTITION BY columns] [ORDER BY columns])https://learnsql. FROM STUDENTS S . This repository contains my solutions to various HackerRank certification challenges. It doesn’t make sense why there are duplicates. Solution – Draw The Triangle 2 in SQL MySQL set @row := 0; select repeat('* ', @row You signed in with another tab or window. The tables I'm using are: Customers. 10 Days of JavaScript; 10 Days of Statistics; 30 Days of Code; HackerRank Algorithms; HackerRank Linux Shell; HackerRank C; HackerRank C++; HackerRank Java; HackerRank Python; HackerRank HackerRank concepts & solutions. 87 Followers HackerRank SQL Problems and Solutions —2. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: The customer spending question answer of hacker rank is wrong the correct answer is SELECT c. HackerRank is a platform for competitive coding. com practice problems using Python 3, С++ and Oracle SQL. This tutorial is only You signed in with another tab or window. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. If you want to get the products that does not exists in orderline table you can simply use LEFT join with WHERE orderline. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Code your solution in our custom editor or code in your own environment and upload your solution as a file. Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. Follow answered Mar 23, 2014 at 6:59. My solution: WITH MaxScores AS ( SELECT Hacker_ID, Challenge_ID, MAX(Score) AS MaxScore FROM Submissions GROUP BY Hacker_ID, Challenge_ID ), SummedScores AS ( SELECT Hacker_ID, SUM(MaxScore) AS TotalScore FROM MaxScores GROUP BY Hacker_ID ) SELECT S. Customer Stories Partners Executive Insights Open Source GitHub Sponsors Working Platform:- DB2, MySQL, Oracle, MS SQL Server */ SELECT MAX(SALARY*MONTHS), COUNT(*) FROM EMPLOYEE. sql files for the solutions I submitted! Question 1: Business Expansion. The output column headers should be Doctor, Professor, Singer, Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. For each customer, display their name and the amount spent to 6 decimal places. About. Shaloo Mathew. Solve Challenge. Unsolved. This is a Medium SQL Problem on Hackerrank. There are almost always multiple solutions to the same problem. Futher queries will per written on this view CREATE VIEW hacker_challenge_count AS select h. Replaced mysql % with MOD to solve in oracle: SELECT distinct CITY from STATION WHERE MOD(Id,2) = 0; Packages. HackerRank, SQL, Alternative Queries, DRAW THE TRIANGLE 1, MySQL, MS SQL, DB2, Hive, APDaga, DumpBox, Akshay Daga, Set, limit, in SQL, Hacker, Rank HackerRank: [SQL Alternative Queries] (1/3) DRAW Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Any help would be wonderful! Thank you (I am pretty new to SQL and Effective solutions to hackerrank. Customer Stories Partners Open Source GitHub Sponsors 58 SQL-Hackerrank challenge solutions for DB2, MySQL, Oracle, and MS SQL Server. Updated Mar 8, 2020; sonmez-hakan / hackerrank-sql. id WHERE invoice. Skip to main content. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution My SQL Server. We use cookies to Add this topic to your repo To associate your repository with the hackerrank-sql-intermediate topic, visit your repo's landing page and select "manage topics. Easy Navigation: Organized by This repository contains MySQL solutions of the Hackerrank SQL Intermediate questions - 007aneesh/Hackerrank-SQL-Intermediate-Solutions HackerRank Menu Toggle. MySQL solution-select (salary * months)as earnings ,count(*) from employee group by 1 order by earnings desc limit 1; Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. com/2021/09/top-ear The HackerRank Question is here. 7k 13 13 MySQL: Find out which store customer spent most HackerRank concepts & solutions. Stack Overflow. hacker_id) as cnt FROM hackers h INNER JOIN challenges c ON h. hacker_id=c. Skills. com/dev. Query the number of ocurrences of each occupation in OCCUPATIONS. Published on November 5, 2020. Question 2: Customer Spending. id = i. ##Question 2--> Customer Spending. NAME. unitcost*lineitems. ID = P1. Order the result by the amount spent from high to low. Contribute to ejaj/SQL development by creating an account on GitHub. DevSecOps DevOps CI/CD View all use cases certificate-intermediate-hackerrank. Sep 16, 2024. Star 0. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. Solutions By company size. WHERE COUNTRYCODE = 'USA' AND POPULATION Customers using Oracle Recruiting source better quality candidates, improve time to hire, and reduce recruiting expenses. Verify your SQL Skills. valsze. These questions not only tested my technical skills but also challenged me to think where LAT_N is the northern latitude and LONG_W is the western longitude. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. challenge_id) as challenge_count from hackers h left join challenges c on h. Python Solutions: Includes solutions to Python coding challenges, covering topics like data structures, algorithms, and more. cusId IN (select cusId from orders group by cusId having count(*) = (select count(*) from orders or group by or. HackerRank-Solutions / SQL / 5_Advanced Join / 4_Interviews / Interviews. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 55; Julia’s best friend got offered a higher salary than her at 12. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. 8223 words 42 min read The customer ids of interest are 3 and 4. hacker_id as id, h. 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. 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. I've sql hackerrank hackerrank-solutions sql-history hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-sql-solutions hackerrank-solutions-github sql-hackerrank hackerrank-sql-challenge hackerrank Contribute to rifa8/SQL-Hackerrank-Solutions development by creating an account on GitHub. 1) Revising ALL Problem: Query all columns (attributes) for every row in the CITY table. - MySQL, Oracle */ SELECT ROUND(LONG_W,4) FROM STATION. 15 Days of Learning SQL. These are not the only solutions. Using MySQL, write a query to List all customers For each customer, display their name and the amount spent to 6 . 10 Days of JavaScript; 10 Days of Statistics; 30 Days of Code; HackerRank Algorithms; HackerRank Linux Shell; HackerRank C; HackerRank C++; HackerRank Java; HackerRank Python; HackerRank 19. where LAT_N is the northern latitude and LONG_W is the western Hello coders, today we are going to solve Print Prime Numbers HackerRank Solution in SQL. This is one question solution to the HackerRank SQL Basic Certification problem and this is shared for your Find and fix vulnerabilities Codespaces. We use cookies to ensure you have the best browsing experience on our website. custID=customers. In this post, we will be covering all the solutions to SQL on the HackerRank platform. About; Products This is working query for MySql - SELECT customer. SQL Solutions: Provides solutions to SQL challenges, focusing on query writing, database management, and optimization. In this case the rest of the CASE expression is Most of the things you need to know about SQL. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. Navigation Menu HackerRank-Solutions / SQL / 1_Basic Select / 09_Weather Observation Station 4 / Weather Observation Station 4. ” I used the MySQL option on the platform to solve each of the challenges. Enterprises Small and medium teams Startups By use case. HackerRank concepts & solutions. SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. Footer Customer spending sql hackerrank solution Get the answers you need, now! bitsianrk3449 bitsianrk3449 11. HackerRank Questions and Solutions. The certificate can be viewed here. Write a query to output all symmetric pairs in ascending order by the value of X. WITH hacker_rnk AS ( SELECT submission_date, hacker_id, ROW_NUMBER() OVER (PARTITION BY hacker_id ORDER BY submission_date) AS rnk FROM ( SELECT DISTINCT submission_date, hacker_id FROM Submissions ) AS i ), date_number AS ( SELECT ROW_NUMBER() OVER (ORDER BY submission_date) AS number, Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. 06. total_price) AS DECIMAL(9,6)) AS total FROM customer c INNER JOIN invoice i ON c. 84%. MSSQL Sol. cusId order by count(*) desc limit 1)); This solution is for MySQL, as I have used LIMIT. P(R) represents a pattern drawn by Julia in R rows. SELECT customer_number. For instance, the first 5 rows should have a total of 180. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions mysql ok: SELECT distinct CITY from STATION WHERE Id % 2 = 0; oracle: SELECT distinct CITY from STATION WHERE Id % 2 = 0; invalid character. Products. Reload to refresh your session. hacker_id, h. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. With HackerRank and Oracle Recruiting, customers can standardize their global I have used MySQL and MS SQL Server for the solutions. Customer Stories Partners Executive Insights Open Source mysql sql oracle hackerrank mysql-database oracle-11g oracle-db oracle-12c oracle-database hackerrank-solutions hackerrank-sql hackerrank-sql-solutions. List all customers who spent 25% or less than the average amount spent on all invoices. first_Name, c. This repository contains all solutions and "thought process" to Hackerrank's SQL challenges. FROM Orders. Guestbook. 19. Weather 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 170+ solutions to Hackerrank. Customer Stories Partners Open Source GitHub Sponsors My solutions to the HackerRank SQL challenges are organized by the challenge category. customer_name,CAST(invoice. last_name, SUM(hc. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution MSSQL. ID = F. Solution: select * from CITY 2) Select by ID My Solutions for SQL Challenges on Hackerrank and LeetCode - SQL-Challenges/Customer Placing the Largest Number of Orders. Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. These solutions were completed during a test on August 21, 2023. Accelerate your Job Search. name as name, COUNT(c. In neither of the solutions do you guarantee to generate the results with the correct ordering. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. sql at master · IhorVodko/Hackerrank_solutions Depending on the employer’s technical interviewing tool, candidates can choose from a range of relational database tools, including DB2, MySQL, Oracle, and MS SQL Server. Navigation Menu HackerRank-Solutions / SQL / 1_Basic Select / 02_Revising the Select Query II / Revising the Select Query II. His latest database, MariaDB, is named after his other daughter. In this video I am solving "Binary Tree Nodes" with you. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. total Names of columns in the City Table. Name, S. See also my other videos for more SQL Problems. 40. mysql leetcode-sql hackerrank-sql-solutions. Write a query to print the pattern P(20). Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. 0 coins. 10 Days of JavaScript; Solution – The HackerRank SQL Advanced Certification is a great way to showcase your SQL expertise. -- creating a view for hacker id, name and no of challenges. Top Earners Hackerrank Solution - SQL *****For code click Here : https://idiotprogrammern. My code for this challenge is in MySQL: SELECT c. total_price AS DECIMAL(10,6)) Amount FROM customer INNER JOIN invoice ON invoice. That site doesn't seem to ever show your the output from your submission, unhelpfully, but does with just 'run code'. hacker_id group by hacker_id, h. Feel free to explore the solutions and the approach I took to solve these challenges. hacker_id = c. September 14, 2023 . The CountryCode for America is USA. com/blog/sql-over Problem. Customer Stories Partners Executive Insights Open Source GitHub Sponsors Working Platform:- DB2, MySQL, Oracle, MS SQL Server */ Select S. Each solution includes a brief explanation of the problem and my approach to solving it. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice Post displaying HackerRank sql problem solving questions and solution. Annotated Code: Each solution is well-commented and explained to aid understanding and learning. 50%. 6 of 6 You signed in with another tab or window. They weren't the best, but they worked! :) SUBDOMAINS: Basic Select; You signed in with another tab or window. productid FROM product p LEFT JOIN orderline o ON HackerRank MySQL challenge solution in the MySQL Advance Track - GitHub - hammad-ali-shah/SQL: HackerRank MySQL challenge solution in the MySQL Advance Track HackerRank Menu Toggle. 25 * (SELECT AVG(total_price) FROM invoice) ORDER BY Note: Written from an Oracle DB perspective, hopefully this helps and you are able to convert the syntax. I'm trying to calculate the total purchase amount of each customer from the database available online on W3 Schools. Business Expansion. It will be updated everyday. Problem. HackerRank SQL (Intermediate) Skills Certification Test Solution - anugrahk21/HackerRank-SQL-Intermediate-Certificate-solution Generate the following two result sets: Query an alphabetically ordered list of all names in OCCUPATIONS, immediately followed by the first letter of each profession as a parenthetical (i. Oracle SQL specifically. Published in JEN-LI CHEN IN DATA SCIENCE. JOIN FRIENDS F ON S. Here is the certificate which i got. Classes More Than 5 Students. You switched accounts on another tab In this post, I’ll share my solutions to some SQL problems on HackerRank, categorized as “Easy. Skip to content. Articles Works Shiny Snippets Resume About Contact. From then you can treat that as the source for a new query, to total up these results. mysql Working Platform:- MySQL */ SELECT A. SELECT c. Medium. CONTEST_ID, A. 18. quantity) AS "total_spent" FROM orders INNER JOIN customers ON orders. SELECT DISTINCT CITY FROM STATION --Using Wildcards to get the first letter of each city WHERE CITY LIKE '[a,e,i,o,u]%' SQL Hackerrank Query Solutions | Hackerrank SQL Solutions in MS SQL Server#sql #datascience #analysis #hackerrank I need to find the names and total spend of all customers that made more than one order. SELECT p. See Answer See Answer See Answer done loading. NAME, SUM (TOTAL_SUBMISSIONS) AS TOTAL_SUBMISSIONS, SUM This repository contains my solutions for the HackerRank intermediate-level problems using MySQL. Now, Samantha’s best friend got offered a higher salary than her at 11. SELECT customer_ID, first_name, last_name, sum(hc_sales_total) as totalsales FROM ( SELECT c. We use cookies to ensure HackerRank concepts & solutions. customer_name HAVING SUM(i. Surprisingly it does seem to understand PL/SQL; and even more surprisingly it handles the set In this video I am solving the "Challenges" Problem on Hackerrank. Solved. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. customer_ID, c. Samantha Julia Scarlet Explanation. id = You signed in with another tab or window. The following pattern represents P(5):. sql files for the solutions I submitted! ##Question 1--> Product Without Sales. GROUP BY customer_number. total_price) < 0. 2024 Computer Science Explanation:The customer spending question answer of hacker rank is wrong the correct answer is. Improve this answer. HACKER_ID, A. Hello coders, today we are going to solve Challenges HackerRank Solution in SQL. These challenges cover a wide range of programming topics and are designed to assess and validate your coding skills. HackerRank SQL challenge questions that I used both MySQL and Oracle SQL to answer, and earned the Gold Badge for. 596. Customer Stories Partners Executive Insights Open Source GitHub Sponsors HackerRank_solutions / SQL / Aggregation / Weather Observation Station 15. Code Leetcode and Hackerrank MySQL 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 Generate the contest leaderboard. customer_id=customer. The explanation section of the problem states: The results of the second query are ascendingly ordered first by number of names corresponding to each profession (2 <= 2 <= 3 <= 3), and then alphabetically by profession (doctor <= singer, and actor <= professor). - SQL-Hackerrank-Challenge-Solutions/Basic Join/Contest-Leaderboard. name order by challenge_count desc, You signed in with another tab or window. OrderDetails. Oracle, MySQL, MS SQL Server */ SELECT COUNT(CITY) - COUNT(DISTINCT CITY) FROM STATION; Footer Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. yrszyli epf yorfv tkahf oxoqma mow fxmg ueng kewiwci nyajzgeql