Hackerrank invoices per country. of questions 2 questions.

Hackerrank invoices per country Learn more about technical skills You signed in with another tab or window. I have taken HackerRank test on 3rd June 2022. Problem Solving (Basic) Get Certified. Certification. Each domain on HackerRank (i. You. customer_id Saved searches Use saved searches to filter your results more quickly Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. Query for Oracle Database SELECT Country, COUNT (*) AS Number FROM Users GROUP BY Country ORDER BY Country If the name of the country is in the country table, then you will have to join. country_id and ci. Write better code equal AI . A customer can have multiple orders but an order has only one invoice. 0 | Permalink. Please check 1. Check Your Solution Your solution should have 2 columns and 24 rows. Platform Help | Execution Environment | FAQ. An Invoice should include four pieces of information as instance variables—a part number (type String), a part description (type String), a quantity of the item being purchased (type int) and a price per item (double). Ready to code? Issues. 1 of 6 Review the problem statement Each challenge has a problem statement that includes sample inputs and outputs. It’s not a pipeline problem. Reload to refresh your session. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Given the CITY and COUNTRY tables, query the names of all cities where the CONTINENT is 'Africa'. Below is the In this post, we will solve HackerRank Hacker Country Problem Solution. city_id and cu. Please read our cookie policy for more information about how we use cookies. To set country code to column values with phone numbers in MySQL would mean to concentrate and we can use CONCAT (). Some code which might help you. Automate any workflow Codespaces. Code; Issues 1; Pull requests 1; Actions; Projects 0; Security; Insights Files main. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu Hackerrank gives following error: ERROR at line 3: ORA-00933: SQL command not properly ended. HackerRank Launches Two New Products: SkillUp and Engage Read now. of questions 2 questions. billingcountry from customer as c, invoice as i You signed in with another tab or window. Home; About Me; Services; Certificates; Portfolio; Contact Me; Developed by Mohamed ElsayedMohamed Elsayed SadmanSakib93 / HackerRank-SQL-Intermediate-Certificate Public. Solved using Monte Carlo! The accuracy In the data array, the country has the following schema: name: The name of the country (String) capital: The name of the capital city (String) A number of fields that are not of interest. Start now and streamline your workflow. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions invoice Spending; invoies per country; New Questions? If any new questions come other than these, make sure to create PR/Issue. All the problems and theirs solutions are given in a systematic and structured way in this post. I've achieved the SQL Intermediate Certification from HackerRank. countrycode = country. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. code group by country. Take the HackerRank Certification The resultant table should show the customer's full name, Invoice ID, Date of the invoice and billing country. Contribute to aghodke24/HackerRank-Sql-Intermediate-questions development by creating an account on GitHub. Navigation Menu Toggle navigation Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. {"payload":{"allShortcutsEnabled":false,"fileTree":{"Hackerrank SQL solutions":{"items":[{"name":"African Cities. cracking-the-coding-interview hackerrank hackerrank-python hackerrank-solutions hackerrank-java hackerrank-algorithms-solutions hackerrank-30dayschallange hackerrank-python-solutions hackerrank-sql hackerrank-problem Over 40% of developers worldwide and 3,000 companies use HackerRank. Crack your coding interview and get hired. The empty cell data for columns with less than the maximum number of names per You signed in with another tab or window. id = cu. Basic. Please ensure you have a stable internet connection. Get Certificate. HackerRank Certificate SQL intermediate Question . select c. recency | 7 Discussions| Please Login in order to post a comment. Sign in This is a timed test. 1. For each country, display the country name, total number of invoices, and their average amount. Get all the totals of each customer by customer location. Sort by. Sign in Web Development Tutorial Playlist: https://www. We calculate, Success we can get results with subquery also. id GROUP BY CO. After your test cases get passed!!!! Happy Learning!!!! Day 1 Prepare for you upcoming programming interview with HackerRank's Ultimate Interview Preparation Kit Skip to content. Stand out from the crowd. The 2024 Developer Skills Report is here! Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. page,per_page, total, total_pages, etc. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. From prepping for jobs and practicing coding to running a world-class technical interview, give developers the tools they need to showcase their skills, passion, and potential. Updated Aug Contribute to rizkaalawiyah/HackerRank-SQL-Intermediate-Certificate development by creating an account on GitHub. CountryId GROUP BY Countries. If not, it is Contribute to MaskRay/HackerRank development by creating an account on GitHub. city_id AND cu . Weather Observation Station 4. 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. Plan and track work Code Review. Python (Basic) Get Certified. Will be adding SQL Advanced Questions soon in a separate Navigation Menu Toggle navigation. code group by country. Find and fix vulnerabilities Actions. - Pull requests · adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution HackerRank Certificate SQL intermediate Question . View Certificates . Ok | Prepare; Certify; Compete; Apply; Hiring developers? Log In; Sign Up; Prepare. Use [] Brackets with value and Name. The country with the most invoices should appear first. Return only those countries where their average invoice amount is greater than the average invoice amount over all invoices. Feel free to reach out if you have any questions or want to connect. Developed by Mohamed Elsayed. . population) from city, country where city. Submissions. Give a star For my work. Plan and track work Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Problem. 7 years ago + 0 comments. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Navigation Menu Toggle navigation You signed in with another tab or window. Todd has been an employee for 5 months and earns $3396 per month. Sign in Product Hacker rank SQL intermediate solution. com/playlist?list=PL725CY54KY6JPgkikjL9-hANsKQeQjEO7Click here to About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Saved searches Use saved searches to filter your results more quickly Saved searches Use saved searches to filter your results more quickly You signed in with another tab or window. Country codes SQL. Includes 120 attempts per year: Includes 300 attempts per year: Custom number of attempts: Coding tests: Coding interviews: Plagiarism detection: Leaked-question detection: Real-world questions: Code reviews Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Sign in Product You signed in with another tab or window. Scroll down for an overview per country. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Commented Jun 8, 2016 at 13:22. Michael has been an employee for 6 months and earns $2017 per month. customer_id SELECT co. id = cu . continent order by country. – xQbert. CountryName ORDER BY Objective. md at master · adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Invoices Per Country; Product Sales Per City; Follow me. You signed in with another tab or window. Breadcrumbs. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Angela has been an employee for 1 month and earns $3443 per month. You signed out in another tab or window. ID = I. city_id = CI. Solution Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. country_name, count (*), AVG (i. Contribute to bhardwajjshubh/Invoices-Per-Country-SQL-intermediate-Certificate-Question- development by creating an This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Please read our cookie policy for Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. In other words, find the All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Start hiring at the pace of innovation! Skip to content. What is the expected value of X? Output the integer part of answer. Overdue Fees will bear interest at the lesser rate of 1. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution My invoices table has orderId column which is a foreign key referencing orderId primary key column of orders table and orders table has customerId column which references to customerId primary key column of customers table. Skills Directory. It’s a spotlight problem. com select sum (city. The questions asked are Invoices Per Country and Product Sales Per City. The test consisted of two questions that I had 35 minutes to solve. are not required for this task. CountryId = Countries. Existing companies; Explore our country-specific features in your preferred language. - -hackerrank-SQL-intermediate-skills-certification-test-solution/README. To simplify this entire process, we created this 'Peppol & E-invoicing Status Per Country Overview'. continent; ← → Even-tual Reduction CodeChef Solution 19 July 2020 HackerRank Regex Solutions 20 July 2020 → ← HackerRank - JavaScript Basic Assessment - Country Codes - script. com/playlist?list=PL725CY54KY6JPgkikjL9-hANsKQeQjEO7Click here to Subscribe : https://www. id = i . Customer Spending. The repository contains 6 folders. Maybe Hacker Rank requires an ending semicolon? if this query were run in SQL developer it looks like it would work. Ok. com/ About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Solved queries for the Hacker-rank SQL (Intermediate) Skills Certification Test - codehub001/Hacker-rank Saved searches Use saved searches to filter your results more quickly Navigation Menu Toggle navigation. country_name, count(*), avg(i. SELECT Contries. This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. How to calculate Amount by days wise of customer in sql. sql","path":"Customer-spending. Also, @jarlh when do we use in and when do we use exist operation? – user2609410. [Name], I. HackerRank SQL Solutions. Because this is a reserved keyword in the SQL server. Find and fix vulnerabilities Welcome to CarrY4U This is a timed test. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution The first line is an integer, (number of cities). This way we hope to You signed in with another tab or window. ID, C. youtube. Saved searches Use saved searches to filter your results more quickly where LAT_N is the northern latitude and LONG_W is the western longitude. id = ci . Connect Hackerrank Invoices to Qonto to automatically sync your accounts with your tool. Skip to content. ID Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. country_id AND ci . Saved searches Use saved searches to filter your results more quickly invoices-per-country. At least the author put number 5 (or bigger) in the test cases for the better visualization. Name Type Description; id: int: This is a primary key: city_name: varchar(128) Name of the city: postal_code: varchar(16) Postal code of the city Inside you will find the solutions to all HackerRank SQL Questions. My requirement is to display country name, total number of invoices and their average amount. Programming Problems and Competitions :: HackerRank Something went wrong! Day 1 Prepare for you upcoming programming interview with HackerRank's Ultimate Interview Preparation Kit Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Please make sure you are not interrupted during the test, as the timer cannot be paused once started. Contribute to anchitctrl/MY-SQL development by creating an account on GitHub. SQL, What is the total amount each client has paid us? 2. Welcome to HackerRank SQL (Intermediate) Skills Certification Test. city_name ) SELECT HackerRank will invoice Customer for all Fees due. These folders contain solutions for all easy, medium and difficult challenges executed Connect the country. Each day we choose 2 cities such that there is no road between them and build a road between them. You can view my certificate by clicking the link below: View HackerRank Certificate. Moreover, I need to return only those countries where the average invoice amount is greater than the average invoice amount of all invoices. Each pair of cities are directly connected by a unique directed road, and each road has its own toll that must be paid every time it is used. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. What is the minimum cost of a road trip in Hacker Country? About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Saved searches Use saved searches to filter your results more quickly Navigation Menu Toggle navigation. Join over 11 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. No. Solutions. sql","contentType":"file"},{"name select country. It showcases my growth, challenges faced, and solutions offered. SELECT C. Filter the results to include only countries with an average total price greater than the overall average total price across all countries. SELECT DISTINCT CITY FROM STATION WHERE MOD(ID, 2) = 0; IX. Can you select country. city_name,COUNT(city_id) AS cnt , AVG(COUNT(city_id)) OVER() avg_cnt FROM COUNTRY CO INNER JOIN City CI ON CI. So, without wasting any time, let’s jump to the solutions. Ok | Prepare; Certify; Compete; Apply; Hiring developers? Log In; Sign Up; This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions We have a country containing _N _cities. Write better code with AI Security. 0. Fees for each Services Term are due annually upfront and are payable the net number of days from the invoice date as stated in the Service Order. Contribute to Crow-6-9/Crow_codes development by creating an account on GitHub. customer, invoice, invoice_item, and product. HackerRank-SQL-Intermediate-Certificate Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. country_id = CO. Manage code changes What is the minimum cost of a road trip in Hacker Country? We use cookies to ensure you have the best browsing experience on our website. We use cookies to ensure you have the best browsing experience on our website. Saved searches Use saved searches to filter your results more quickly Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. show each customers' names, how much each person has spent in total, and how Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Code review. Tech hiring needs a reset. Joe has been an employee for 9 months and earns $3573 per month. Welcome Back! Login to your account It's nice to see you again. country_name, Ci. Instructions. Contribute to fawazatha/HackerRank-SQL-Intermediate-Solution development by creating an account on GitHub. total_price) FROM country co, city ci, customer cu, invoice i WHERE co . population)) from city join country on city. Navigation Menu Toggle navigation © 2025 All rights reserved. Let N be the number of CITY entries in STATION, and let N’ be the number of distinct CITY names in STATION; query the value of N-N’ from STATION. There are N cities in Hacker Country. sql and 2. Explore my GitHub repository to learn from my experiences and find inspiration for your SQL learning path. Navigation Menu Toggle navigation. Leaderboard. Test duration 35 mins. HackerRank Skills Directory. invoiceid, i. New Questions? If any new We decided to examine our data to answer this question: which countries do the best at programming challenges on HackerRank? At HackerRank, we regularly post tens of thousands of new coding challenges for A business analyzing data by country. The below Write better code with AI Code review. Sign in Product GitHub Copilot. The average cost (sum of tolls paid per road traveled) should be minimum. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. zh2196. Table 1: city. Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the store. countrycode = country. If the country is found, the data array contains exactly 1 element. Join the AI Skills Survey and share your thoughts Take the survey. e. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Write better code with AI Security We decided to examine our data to answer this question: which countries do the best at programming challenges on HackerRank? At HackerRank, we regularly post tens of thousands of new coding challenges for developers to improve their coding skills. Find and fix vulnerabilities HackerRank is the market-leading coding test and interview solution for hiring developers. Certificate can be viewed here. azhar556. I want to count the no of invoices of each customer. com is a search engine built on artificial intelligence that provides users with a customized search experience while keeping their data 100% private. country_name,CI. Retrieve information about each country's name, the count of customers, and the average total price of their invoices. Open an account. These solutions were completed during a test on August 21, 2023. continent, floor (avg (city. In order for you to send an e-invoice to a company and /or government abroad, you have to be aware of which laws are in place, which format to send, and which network to connect to. id = ci. Let X be the number of days before we obtain a connected country. . Hundreds of thousands of developers from all over the world come to participate in challenges in a variety Challenge Walkthrough Let's walk through this sample challenge and explore the features of the code editor. invoicedate, i. Discussions. hackerrank. Format the average as a floating-point number with 6 decimal places. js. code and continent = 'Asia'; Skip to content. continent; 0 | Permalink Provide a table of Billing Country and Invoices ordered by the number of invoices for each country. [Value] FROM Customers C WITH(NOLOCK) JOIN ( SELECT TOP 1 ID, [Value] FROM Invoices WITH(NOLOCK) ORDER BY [Value] DESC ) AS I ON C. 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. Contribute to bhardwajjshubh/Invoices-Per-Country-SQL-intermediate-Certificate-Question- development by creating an {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Customer-spending. Problem Solving. continent, floor(avg(city. Direct code modified Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Navigation Menu Toggle navigation Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. We would like to show you a description here but the site won’t allow us. Explore Skills. id = i. After the international calling code or prefix, the country code is typed. Instant dev environments Issues. Note: As there are no roads connecting a city to itself, the integer of line will always be . Business Expansion. Manage code changes Saved searches Use saved searches to filter your results more quickly I tried below query and it worked for me. You switched accounts on another tab or window. firstname, c. CountryName, Count (*) AS Number FROM Users INNER JOIN Countries ON Users. id INNER JOIN Customer CU ON CU. population)) from city, country where city. " Learn more This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Programs / Questions. SQL Sum amount spent by specific code. Saved searches Use saved searches to filter your results more quickly Saved searches Use saved searches to filter your results more quickly Skip to content. Lets say, Total submissions (one per hacker) for the challenge: total Solved submissions (one per hacker) for the challenge: correct Your submission score factor (lies between 0 and 1) based on correctness of the submission: sf Minimum score a challenge can have: 20 Maximum score a challenge can have: 100. Notifications You must be signed in to change notification settings; Fork 8; Star 5. select co. Problem Solving . Web Development Tutorial Playlist: https://www. Before dialing the recipient's number in the destination country, one must first dial a series of numbers known as the country code. sql Hackerrank SQL (Intermediate) Skills Certification Test Solution. This is a timed test. Navigation Menu Toggle navigation What is the expected value of the days it will take until all the cities are part of the graph? HackerRank offers a variety of skills, tracks and tutorials for you to learn and improve. WITH CTE AS( SELECT DISTINCT CO. sql","path":"Hackerrank SQL solutions/African Cities This repository contains my solutions for the HackerRank intermediate-level problems using MySQL. We choose each pair of nonadjacent cities with equal probability. We order our output by ascending employee_id. Europe France Germany Spain Italy Austria Belgium Portugal Netherlands en. lastname, i. HackerRank-SQL-Basic -Certification test code - solution - country codes concatenated with their phone numbers- Solution Write better code with AI Security. 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. sql files for the solutions I submitted! Question 1: Business Expansion. The subsequent lines of space-separated integers each describe the respective tolls or traveling from city to city ; in other words, the integer of the line denotes the toll for traveling from city to city . total_price) from country co, city ci, customer cu, invoice i where co. SQL statement to show the total cost of all orders per Customer. 4 years ago + 0 comments. 5% per month or the highest rate permitted by applicable law, calculated daily and My journey of earning a SQL certification and tackling HackerRank SQL challenges. Try it today. I have taken SQL Intermediate Certification Hackerrank Solution https://www. bnh twya uuap zirqjj nghzaj ozjg mzqxo chjep iknd nsjr