1. Date: January 19, 2020 Author: Harun-or-Rashid 0 Comments. This repository is licensed under MIT License - see License for more details, Thomas-George-T/HackerRank-SQL-Challenges-Solutions, Revising Aggregations - The Count Function. group by 1 Query the number of ocurrences of each occupation in OCCUPATIONS.Sort the occurrences in ascending order, and output … Hacker Rank, SQL. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Then print these values as space-separated integers. Write a query to find the maximum total earnings for all employees as well as the total number of employees who have maximum total earnings. The only employee with earnings = 69952 is Kimberly, so we print the maximum earnings value (69952) and a count of the number of employees who have earned $69952 (which is 1) as two space-separated values. GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. Here is a solution for ORACLE: SELECT * FROM (SELECT MAX(MONTHS*SALARY), COUNT(EMPLOYEE_ID) FROM EMPLOYEE GROUP BY MONTHS*SALARY ORDER BY MONTHS*SALARY DESC) WHERE ROWNUM = 1; Here is Oracle solution from my HackerrankPractice repository: Feel free to ask if you have any questions :), select top 1 months * salary as earnings, count (*) from employee group by months * salary order by 1 desc, We use cookies to ensure you have the best browsing experience on our website. Hacker Rank, SQL.

(中文版) SQL 笔记: Hackerrank Top Earners, Copyright © Fan Ni 2020 An enthusiastic computer science engineer exploring the field of computer and network security along with android development with the hope of traveling around the world. 317 efficient solutions to HackerRank problems. Note: Print NULL when there are no more names corresponding to an occupation.
Learn more. Thank you for the listing! The majority of the solutions are in Python 2. 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. HackerRank Solution-Top Earners. Top Earners 3. they're used to log you in. The solutions of all SQL hackerrank challenges executed on MySQL environment.

Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Search for: Search. Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. For this problem, we can compute earnings first, then group data by earnings and get earnings and number of employees for each group.

Categories. Hacker Rank, SQL. re-Ported by BeanTech |, Posted by Fan Ni on

The syntax is ‘REPLACE(str, from_str, to_str)’ and it returns the string str with all occurrences of the string from_str replaced by the string to_str.actual average monthly salaries ==> AVG(Salary) salary without zeros ==> REPLACE(Salary, ‘0’, ‘’) select For more information, see our Privacy Statement.

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The table and earnings data is depicted in the following diagram: The maximum earnings value is 69952. Then print these values as space-separated integers. Writing down the things that might help the one traveling the road of computer science and facing problems along the way. they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. from employee 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. SELECT salary * months AS earnings , COUNT ( * ) FROM Employee GROUP BY earnings ORDER BY earnings DESC LIMIT 1 ; Let me know if you have any questions.

Revising Aggregations - Averages Hacker Rank, SQL. Finally sort groups by earnings in descending order and output the first one. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. Top Earners HackerRank SQL Solution in MYSQL Problem:-We define an employee's total earnings to be their monthly worked, and the maximum total earnings to be the maximum total earnings for any employee in the Employee table.

Table: 'OCCUPATIONS' table contain the column 'Name' and …

SQL problem page: https://www.hackerrank.com/domains/sql, https://www.hackerrank.com/challenges/revising-the-select-query/problem, https://www.hackerrank.com/challenges/revising-the-select-query-2/problem, https://www.hackerrank.com/challenges/select-all-sql/problem, https://www.hackerrank.com/challenges/select-by-id/problem, https://www.hackerrank.com/challenges/japanese-cities-attributes/problem, https://www.hackerrank.com/challenges/japanese-cities-name/problem, https://www.hackerrank.com/challenges/weather-observation-station-1/problem, https://www.hackerrank.com/challenges/weather-observation-station-3/problem, https://www.hackerrank.com/challenges/weather-observation-station-4/problem, https://www.hackerrank.com/challenges/weather-observation-station-5/problem, https://www.hackerrank.com/challenges/weather-observation-station-6/problem, https://www.hackerrank.com/challenges/weather-observation-station-7/problem, https://www.hackerrank.com/challenges/weather-observation-station-8/problem, https://www.hackerrank.com/challenges/weather-observation-station-9/problem, https://www.hackerrank.com/challenges/weather-observation-station-10/problem, https://www.hackerrank.com/challenges/weather-observation-station-11/problem, https://www.hackerrank.com/challenges/weather-observation-station-12/problem, https://www.hackerrank.com/challenges/name-of-employees/problem, https://www.hackerrank.com/challenges/salary-of-employees/problem, https://www.hackerrank.com/challenges/what-type-of-triangle/problem, https://www.hackerrank.com/challenges/revising-aggregations-the-count-function/problem, https://www.hackerrank.com/challenges/revising-aggregations-sum/problem, https://www.hackerrank.com/challenges/revising-aggregations-the-average-function/problem, https://www.hackerrank.com/challenges/average-population/problem, https://www.hackerrank.com/challenges/more-than-75-marks/problem, https://www.hackerrank.com/challenges/japan-population/problem, https://www.hackerrank.com/challenges/population-density-difference/problem, https://www.hackerrank.com/challenges/the-blunder/problem, https://www.hackerrank.com/challenges/earnings-of-employees/problem, https://www.hackerrank.com/challenges/weather-observation-station-2/problem, https://www.hackerrank.com/challenges/weather-observation-station-13/problem, https://www.hackerrank.com/challenges/weather-observation-station-14/problem, https://www.hackerrank.com/challenges/weather-observation-station-15/problem, https://www.hackerrank.com/challenges/weather-observation-station-16/problem, https://www.hackerrank.com/challenges/weather-observation-station-17/problem, https://www.hackerrank.com/challenges/asian-population/problem, https://www.hackerrank.com/challenges/african-cities/problem, https://www.hackerrank.com/challenges/average-population-of-each-continent/problem, Click to share on Twitter (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Skype (Opens in new window), Dynamic Programming: Get Started in 2 Minutes. Tag: HackerRank Solution-Top Earners. : enclosed in parentheses).For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). We can use REPLACE() function to solve the problem. January 19, 2020 — 0 Comments. Learn more, Cannot retrieve contributors at this time. Codeforces Computer Graphics Hacker Rank Light Oj Python Question+Answer SQL Uncategorized URI UVA. Problem Statement: Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation.The output column headers should be Doctor, Professor, Singer, and Actor, respectively. 1 Post. HackerRank Solution-Population Density Difference. You signed in with another tab or window. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. 2017-10-23, compute earnings ==> SELECT (months*salary) as earnings, group employees by earnings ==> GROUP BY earnings, sort by earnings in descending order ==> ORDER BY earnings DESC, output the one having the maximum earnings ==> LIMIT 1. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled … New Easter Egg from Google: How to play the Atari Breakout game on Google’s about us page? The Employee table containing employee data for a company is described as follows: where employee_id is an employee’s ID number, name is their name, months is the total number of months they’ve been working for the company, and salary is the their monthly salary. January 19, 2020 — 0 Comments. The Blunder HackerRank SQL solution in MYSQL Problem:-Samantha was tasked with calculating the average monthly salaries for all employees in the EMPLOYEES table, but did not realize her keyboard's key was broken until after completing the calculation. Pivot the Occupation column in OCCUPATIONS so that. Query an alphabetically ordered list of all names in OCCUPATIONS, immediately followed by the first letter of each profession as a parenthetical (i.e. Passing Data Between fragment and Activity. HackerRank Solution-The Blunder. Hoping this would be helpful to you. Sharing some stuffs that i learned on the same road to make someones walk easier and faster. You can always update your selection by clicking Cookie Preferences at the bottom of the page. Please read our.

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