idlecool. SQL. 10. Select All. Basic Select. Difficulty. Problem; Submissions; Leaderboard; Discussions; Editorial; Query all columns (attributes) for every row in the CITY table.
rate this challenge. Please read our cookie policy for more information about how we use cookies. If the End_Date of the tasks are consecutive, then they are part of the same project. View editorial. If more than one student created the same number of challenges, then sort the result by hacker_id. SQL. SQL. Practice; Compete; Jobs; Leaderboard; Hiring developers? SQL. Select All. Ok. Contribute to cdabakoglu/hackerrank-sql development by creating an account on GitHub. Ok. Input Format. Join over 8 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. View top submissions. You are given a table, Projects, containing three columns: Task_ID, Start_Date and End_Date.It is guaranteed that the difference between the End_Date and the Start_Date is equal to 1 day for each row in the table.. Practice; Compete; Jobs; Leaderboard; Hiring developers? Solutions of SQL Challenges on HackerRank. Need Help? Please check first if you selected MS SQL Server from the dropdown list. Anyway, as we are supposed to print the total number of challenges created by each student the WHERE clause: The CITY table is described as follows: Author. SQL. If so, my solution should work fine, I even checked it today by inserting the code to the hackerrank's code editor and it passed the sample test case. Log In; Sign Up; Practice. We use cookies to ensure you have the best browsing experience on our website. Sort your results by the total number of challenges in descending order. Easy.
Submitted By. Join over 8 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 561804. HackerRank is the market-leading tech hiring solution that helps you meet your hiring goals, ship products faster and hire developers with the right skills from anywhere. Log In; Sign Up; Practice. Samantha is interested in finding the total number of different projects completed.
Write a query to print the hacker_id, name, and the total number of challenges created by each student. We use cookies to ensure you have the best browsing experience on our website. Max Score. Join Us Overcome Remote Hiring Challenges with Virtual Whiteboarding. View discussions. Join over 8 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.
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