Hacker rank solution for sql This tutorial is only for Educational and Learning Purpose. Problem statement: Samantha interviews many candidates from different colleges using coding challenges and contests. Accelerate your Job Search. x, a. Suspicious transactions are defined as: a series of two or more transactions occur at intervals of an hour or less they are from the same sender the sum of transactions in Solution – The Blunder in SQL MySQL SELECT CEIL(AVG(Salary)-AVG(REPLACE(Salary,'0',''))) FROM EMPLOYEES. Solution: select * from CITY 2) Select by ID Problem: Query all columns Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. community/Thanks for watching us Dev19🖤 Hello coders, today we are going to solve Japan Population HackerRank Solution in SQL. - kumod007/All-HackerRank-SQL-Challenges-Solutions Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. tymoshchuk_teti1. 06%. y having (count(*)>1 and a. - 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. y from functions a join functions b on a. sql & 2. SQL (Basic) SQL (Intermediate) Code your solution in our custom editor or code in your own environment and upload your solution as a file. Business_expansion. Solve Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Exclude the contest from the result if all four sums are . Hackers Table Query the median of Northern Latitudes in STATION and round to 4 decimal places. - HackerRank-SQL/Occupations. : number of characters in the name). This hard-level problem was the last one I finished, and it took me quite some time to figure out the solution. Now, Samantha’s best friend got offered a higher salary than her at 11. The CountryCode for America is USA. Code. where LAT_N is the northern latitude and LONG_W is the western longitude. Japanese Cities’ Attributes; 6. There are many ways to find out the solution, I thought it is the better to understand Disclaimer: The above Problem (SQL Project Planning) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Packages. select * from CITY;-2 | Permalink. select std. Why this video is 7. . These Contain Some SQL Programming Solution of Hacker Rank😏 Add a description, image, and links to the hackerrank-sql-solutions-oracle topic page so that developers can more easily learn about it. Contest Leaderboard. Sample Input. Select all; 4. Before You Launch. 1) Revising ALL Problem: Query all columns (attributes) for every row in the CITY table. In. The total score of a hacker is the sum of their maximum scores for all of the challenges. Problem; Solution – Select All in SQL; Problem. SQL; Problem Solving Badges. 1 month ago + 0 comments. tables where @row < 20. If there is more than one smallest or largest city, choose the one that comes first when Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) My solutions to SQL problems on HackerRank; 1. This is the only video you will need to improve you where LAT_N is the northern latitude and LONG_W is the western longitude. 40%. You switched accounts on another tab or window. It is very important that you all first give it a try & brainstorm yourselves before having a Inside you will find the solutions to all HackerRank SQL Questions. For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). The start date of the contest was March 01, 2016 and the end date was March 15, 170+ solutions to Hackerrank. These concepts introduce more complex features and functionalities of SQL. y) or a. 19. : enclosed in parentheses). Write a query to print total number of unique hackers who made at least submission each day (starting on the first day of the contest), and find the hacker_id and name of the hacker who made maximum number of submissions each day. SQL (Basic) SQL (Intermediate) SQL Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. A correct and optimal solution will pass all the test cases. Subqueries and Nested Queries. by. RANK, DENSE_RANK, LEAD, LAG. Unions-This competency includes using unions to display multiple sets of information in the same report. Julia conducted a days of learning SQL contest. Customer Spending. 39%. Reload to refresh your session. Verify your SQL Skills. Problem; Solution – Symmetric Pairs in SQL. Example Task: Install a relational database (e. Sample Output 0. Placements. com/dev. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Solution – Revising the Select Query I MYSQL SELECT * FROM CITY WHERE COUNTRYCODE = 'USA' AND POPULATION > 100000; Disclaimer: The above Problem (Revising the Select Query I) is generated by Hacker Rank but the Verify your SQL Skills. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Problem; Input Format; Solution – Japan Population in SQL. Challenges. Subqueries-This competency includes using data based on information returned from a different query. The solution is correct. sql files for the solutions I Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Ketty doesn’t want the NAMES of those students who received a grade lower than 8. Query all columns (attributes) for every row in the CITY table. Each solution is designed to demonstrate various SQL techniques Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Output one of the following statements for each record in the table: Equilateral: It's a triangle with sides of equal length. sql and 2. I hope Disclaimer: The above Problem (Weather Observation Station 8) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Solution – Weather Observation Station 4 in SQL SELECT COUNT(CITY) - COUNT(DISTINCT CITY) FROM STATION; Disclaimer: The above Problem (Weather Observation Station 4) is generated by Hacker Rank but the Solution is provided by CodingBroz. PL/SQL is an extension of SQL language that combines the data manipulation power of SQL with the processing power of procedural language to create super-powerful SQL queries. Query all columns for all American cities in the CITY table with populations larger than 100000. 0 rather than 2253, so it is marked as an incorrect answer. Problem Descriptions. 65%. SQL (Basic) SQL (Intermediate) Solution – Japanese Cities’ Names in SQL SELECT NAME FROM CITY WHERE COUNTRYCODE = "JPN"; Description: The above Problem (Japanese Cities’ Names) is generated by Hacker Rank but the Solution is Provided by CodingBroz. SQL Basic Queries. Disclaimer: The above Problem (Weather Observation Station 9) is generated by Hacker Rank but the Solution is Provided by CodingBroz. 92%. Easy SQL (Advanced) Max Score: 25 Success Rate: 97. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. Medium SQL (Intermediate) Max Score: 30 Success Rate: 92. Devrim Ozcay. Crack your coding interview and get hired. The CITY table is described as follows: Field: Type: ID: NUMBER: NAME: VARCHAR2(17) COUNTRYCODE: VARCHAR2(3) DISTRICT: Problem. MySQL; Problem. Solution – Japanese Cities’ Attributes in SQL SELECT * FROM CITY WHERE COUNTRYCODE = "JPN"; Disclaimer: The above Problem (Japanese Cities’ Attributes) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Hackers Table: Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. But to make it more simpler, you can use '*' symbol to represent selection of all columns. The repository dedicated to solutions for Hacker-rank Database problems, solved with MySQL - hackerrank-sql-solutions/The PADS. Each of the companies follows this hierarchy: Given the table schemas below, write a query to print the company_code, founder name, total number of lead managers, total number of senior managers, total number of managers, and total number of employees. Medium SQL (Intermediate) Max Score: 30 Success Rate: 93. Enter your query here and Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - nathan-abela/HackerRank-Solutions In this HackerRank Functions in SQL problem 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. Order your output by ascending Write a query to list the contestants ranked in the top 3 for each contest. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Revising the Select Query I; 2. The goal of this repository is to document and share SQL queries that I have implemented to solve real-world scenarios and coding challenges. Weather Observation Station 6. Business Expansion. 95%. ; Isosceles: It's a Medium SQL (Intermediate) Max Score: 30 Success Rate: 93. Sample Output. sql. Order your output by ascending company_code. SQL. These solutions can be used as a reference for other learners or as a way to practice and improve SQL skills. 3. Revising the Select Query II; 3. roll_number, std. ; Isosceles: It’s a triangle with 2 sides of equal length. 1. Samantha interviews many candidates from different colleges using coding challenges and contests. Sep 15, 2024. Disclaimer: The above Problem (Draw The Triangle 2) is generated by Hacker Rank but the Solution is Provided by CodingBroz. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. SQL (Basic) SQL (Intermediate) SQL This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. Note: Print NULL when there are no more names corresponding to an occupation. Unsolved. Status. These tutorials are only for Educational and Learning Purpose. Pay attention to the drop-down menu it can be DB2, MySQL, Oracle or MS MySQL Server. Write a query to print the hacker_id, name, and total score of the hackers ordered by the descending score. Take the HackerRank Certification Test and showcase your knowledge as a HackerRank verified developer. 2. You signed in with another tab or window. 7 hours ago + 0 comments. These are not the only solutions. SQL (Basic) SQL (Intermediate) SQL (Advanced Solution – Employee Names in SQL MySQL SELECT name FROM employee ORDER BY name; Disclaimer: The above Problem (Employee Names) is generated by Hacker Rank but the Solution is Provided by CodingBroz. 66%. Order your output in descending order by the total number of challenges in which the hacker In this post, we will be covering all the solutions to SQL on the HackerRank platform. sql at master · raleighlittles/HackerRank-SQL This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. 2345; HackerRank SQL Problems and Solutions — 1. 6 of 6 💛 (Updating Mode) HackerRank Solutions For Python, SQL, C++ - sarangiWijemanna/Hacker-Rank-Solutions Names of columns in the City Table. Contribute to karunakaran186/Sql-intermediate-hackerrank-solutions development by creating an account on GitHub. ; Hard: Advanced-level SQL challenges. Medium SQL (Advanced) Max Score: 40 Success Rate: 93. mysql. Please follow us https://www. 21283 Angela 6 88255 Patrick 5 96196 Lisa 1. This tutorial is only for I have used MySQL and MS SQL Server for the solutions. 317 efficient solutions to HackerRank problems. Write a query to print the respective hacker_id and name of hackers who achieved full scores for more than one challenge. ; Advanced: Expert-level problems and more complex queries. 55; Julia’s best friend got offered a higher salary than her at 12. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. Weather Observation Station 20. Also Read: HackerRank C Solutions; HackerRank C++ Solutions; HackerRank SQL Solution. Challenges Table . 1 2 /* 3. Solution – Weather Observation Station 3 in SQL SELECT DISTINCT CITY FROM STATION WHERE MOD(ID, 2) = 0; Disclaimer: The above Problem (Weather Observation Station 3) is generated by Hacker Rank but the Solution is Provided by CodingBroz. sql files for the solutions I submitted! Pivot the Occupation column so the Name of each person in OCCUPATIONS is displayed underneath their respective Occupation. N)>0,"Inner","Leaf")) FROM BST AS B ORDER BY N; Disclaimer: The Ketty gives Eve a task to generate a report containing three columns: Name, Grade and Mark. Learn how to use select, aggregations, joins, subqueries and more in SQL queries. This repository contains solutions for Hacker Rank SQL problems. Binary Tree Nodes. This is one question solution to the HackerRank SQL Basic Certification problem and this is shared for your increasing knowledge. HackerRank-Solutions / SQL / 5_Advanced Join / 5_15 Days of Learning SQL / 15 Days of Learning SQL. Annotated solutions to HackerRank's SQL domain questions. 83%. Medium SQL (Intermediate) Max Score: 40 Success Rate: 97. , MySQL, PostgreSQL) and connect to it using a SQL client. The CITY table is described as follows: DB2 xxxxxxxxxx . 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. As part of a cryptocurrency trade monitoring platform create a query to return a list of suspicious transactions. Output one of the following statements for each record in the table: Equilateral: It’s a triangle with 3 sides of equal length. 1 There is a bug in your SQL Server code evaluator. 74%. Top Competitors. Hello coders, today we are going to solve Select All Hacker Rank Solution in SQL. y group by a. Reason: Fundamental setup and understanding are necessary to start writing SQL queries. Though many experts are attempting to resolve the problem, none of them have been successful thus far. Problem; Input Format; (Population Census) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Curate this topic Add this topic to your repo To associate your repository with Problem. 12; Scarlet’s best friend got Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Query the number of ocurrences of each The repository is organized as follows: Easy: Beginner-level SQL challenges. This work contains my solutions for Hacker Rank SQL questions. Basic Select. Draw The Triangle 2. 0 | Permalink. SELECT DISTINCT city FROM station WHERE REGEXP_LIKE(city, '^[AEIOUaeiou]'); 0 | Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. Remote Hiring; I have used MySQL and MS SQL Server for the solutions. Related You signed in with another tab or window. Table of Contents. Sort by. Write a query to find the You signed in with another tab or window. x You signed in with another tab or window. This tutorial is only for Educational and Learning Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. x=a. Hackers Table . There are almost always multiple solutions to the same problem. Order Hackers: The hacker_id is the id of the hacker, and name is the name of the hacker. Editorial. Set Up Your Skills Strategy; Showcase Your Tech Brand; Optimize Your Hiring Process; Mobilize Your Internal Talent; Use Cases. y=b. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. Raw. Related Hackers: The hacker_id is the id of the hacker, and name is the name of the hacker. Skills. Basic Select Challenges. Problem. Get the number of challenges completed by everyone, ranked from most completed to least WITH challenge_counts AS ( SELECT hacker_id, COUNT(challenge_id) as challenge_count, RANK() OVER (ORDER BY COUNT(challenge_id) DESC) as rank FROM challenges GROUP BY hacker_id ), --- 2. Medium SQL (Intermediate) Max Score: 40 Success Rate: 93. ; Medium: Intermediate-level SQL challenges. Hello coders, today we are going to solve 15 Days of Learning SQL HackerRank Solution in SQL. Amber’s conglomerate corporation just acquired some new companies. Complex joins-This competency includes using INNER, LEFT, RIGHT, and FULL joins on multiple tables and using joins for many-to-many relationships. GROUP BY HACKER_ID ORDER BY COUNT (SUBMISSION_ID) DESC, HACKER_ID LIMIT 1) Hello coders, today we are going to solve Symmetric Pairs HackerRank Solution in SQL. Copy path. 7880 and lat_n < 137. If multiple contestants have the same score in a contest, they are at the same rank. Disclaimer: The above Python Problems are generated by Hacker Rank but the Solutions are Provided by CodingBroz. Print Prime Numbers. What We Do. This repository contains MYSQL solutions of HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test . For some challenges, we are introducing a new beta dynamic scoring pattern. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Solution – Binary Tree Nodes in SQL MySQL SELECT N, IF(P IS NULL,"Root",IF((SELECT COUNT(*) FROM BST WHERE P=B. Reason: Window functions provide powerful tools for performing Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. SQL (Basic) SQL (Intermediate) STATION. 15%. Learn how to use them effectively with the OVER() clause, including the ORDER BY and PARTITION BY options. 1 Dynamic Scoring. 3. 82%. This repository contains solutions to various SQL challenges and problems solved on HackerRank. HackerRank_solutions / SQL / Basic Join / The Report. File metadata and controls. 3 lines (3 loc) · 209 Bytes. New Companies. recency | 4676 Discussions| Please Login in order to post a comment. I provided sql queries for provided 58 SQL problems in Hacker Rank. The OCCUPATIONS Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 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. This competency area includes the understanding of basic concepts like Blocks, Variable Declaration, and Cursor. Basic SQL Queries Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Visit the website for more information. Write a query to print the contest_id Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. - Cyberoctane29 My solutions to SQL problems on HackerRank # SQL Problems Page: https://www. Submissions: The submission_id is the id of the submission, hacker_id is the id of the hacker who made the submission, challenge_id is the id of the challenge for which the submission belongs to, and score is the score of the submission. Activities involved: Setting up a database environment and understanding SQL’s purpose and use cases. I have also earned a 5-star badge on HackerRank for SQL, Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. MySQL; (Japan Population) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Blame. 3 weeks ago + 0 comments-- MS SQL Server. 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. The start date of the contest was March 01, 2016 and the end date was March 15, 2016. Take the HackerRank Skills Test. Lets say, Total submissions (one per hacker) for the Problem. Sample Input 1. Key Competencies: SQL. 02%. Julia conducted a 15 days of learning SQL contest. Enterprises Small and medium teams Startups By use case. Activities involved: Writing and using subqueries in SELECT, FROM, WHERE clauses. SELECT CEILING(AVG(SALARY - CAST(REPLACE(CAST(SALARY AS VARCHAR(10)), '0', '') AS float))) FROM EMPLOYEES Your code evaluator returns 2253. Solve Challenge. They are necessary for optimizing performance, managing complex queries, ensuring data integrity, and leveraging advanced features for high-level query design and development. Please read our select a. Solutions. select case when a+b > c and b+c > a and a+c > b then case when a=b and b=c and a=c then 'equilateral' when a=b or b=c or a=c then 'isosceles' when a<>b and b<>c and a<>c then 'scalene' end else 'not a triangle' end as type_of_triangle from triangles; Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Prove your Skills. Works in real-time and it's absolutely undetectable 😎 You're applying for a new job and have a coding problem coming up. Create a HackerRank account Hacker rank SQL intermediate solution. Problem 1. ; These concepts require a deeper understanding of SQL and its ecosystem. ; Scalene: It’s a triangle with 3 sides of differing lengths. Input Format. Skill over pedigree. 75%. Easy SQL (Advanced) Max Score: 25 Success Rate: 96. Please check 1. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. Number Challenges Solutions; 1: Revising the Select Query I: SQL: 2: someone please explain me why this is not correct select N, case when p is null then 'Root' when n not in (select distinct p from bst) then 'Leaf' else 'Inner' end as NodeType from bst order by n; i wrote it with a different logic as it wont find n in p column so it should assign it as leaf but i dont know how its still assigning 1,3 as inner MahedeiHasan / Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Public Notifications You must be signed in to change notification settings Fork 9 Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. (Symmetric Pairs) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Solved. Top. sql at master · Shounok/hackerrank-sql-solutions Category: Hard(Advanced SQL Joins). All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. x=b. Find all the solutions of HackerRank SQL problems in a systematic and structured way. Select by ID; 5. Nerves can peak during the programming test, and even experienced developers might blank Understand Window Functions: Functions like RANK(), DENSE_RANK() and ROW_NUMBER(). HackerRank is a platform for competitive coding. x and a. Select All. Leaderboard. Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. SQL (Basic) SQL (Intermediate) SQL Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. g. Disclaimer: The above Problem (The Blunder) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Solutions By company size. e. 4 of 6; Test your code You can compile your code and test it for errors and accuracy before submitting. The output column headers should be Doctor, Professor, Singer, and Actor, respectively. CodeRankGPT helps you solve HackerRank coding problems during your coding interview. issacjohnson. Their maximum score will vary based on how submissions for that particular challenge perform. Solution – Draw The Triangle 2 in SQL MySQL set @row := 0; select repeat('* ', @row := @row + 1) from information_schema. name . Amber's conglomerate corporation just acquired some new companies. Challenges: The challenge_id is the id of the challenge, and hacker_id is the id of the student who created the challenge. DevSecOps DevOps CI/CD View all use cases By industry Student Advisor. Discussions. 4. 50%. Related Hello coders, today we are going to solve Population Census HackerRank Solution in SQL. Get just the top ranked (by # of challenges completed) hackers max_values Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Introduction to SQL. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering various aspects of SQL including querying, joins, aggregations, and more. Please check 1. Contains solved This repository contains my SQL solutions to HackerRank challenges, organized by difficulty level: Easy, Medium, and Hard. Unless stated in the file, queries are written in MySQL. Java Annotations – Hacker Rank Solution; Covariant Return Types – Hacker Rank Solution; Java Lambda Expressions – Hacker Rank Solution; Java MD5 – Hacker Rank Solution; Java SHA-256 – Hacker Rank Solution; Disclaimer: Query the list of CITY names ending with vowels (a, e, i, o, u) from STATION. Draw The Triangle 1. Revising the Select Query I. This tutorial is only for Educational and Learning Purpose. Domains. Solution – Weather Observation Station 13 in SQL MySQL select round(sum(lat_n), 4) from station where lat_n > 38. If more than one hacker achieved Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Submissions. Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. Ollivander's Inventory. Customer_spending. Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. with cte as ( select * , case when Start_Date <> lag ( End_Date , 1 ) over ( order by Start_Date , End_Date ) then 1 else 0 end as ct from Projects ), proj_id as ( select * , sum ( ct ) over ( rows between unbounded preceding and current row ) as project_id from cte --- 1. Hi i excited tell about SQL basic queries that using for databases In the past few days, I finally completed all the SQL questions on HackerRank. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice These are the most common problems we encounter while integrating the Traffic Rider SQL to look into the matter. You signed out in another tab or window. instagram. Easy Solution Using Window Functions : Lag,Aggregation Great Question indeed . 03%. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. 99%. SQL Project Planning. We define an employee’s total earnings to be their monthly salary x months worked, and the maximum total earnings to be the maximum total earnings for any employee in the Employee table. Write a query to print the contest_id, hacker_id, name, and the sums of total_submissions, total_accepted_submissions, total_views, and total_unique_views for each contest sorted by contest_id. Sample Input 0. The report must be in descending order by grade — i. SQL (Basic) SQL (Intermediate) SQL The Merit Rewards SQL problem is a question presented in the HackerRank Basic SQL Certification exam. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Problem. Each solution includes a brief explanation of the problem and my approach to solving it. We use cookies to ensure you have the best browsing experience on our website. Samantha Julia Scarlet Explanation. dohnht mclxry mwju bav vtnk elood avzsrle rwvu didey zlaktcwxg