MySQL 4

SQL - Algorithm #10

SQL AlgorithmLeetCode181. Employees Earning More Than Their Managers Column Name Type id int namevarcharsalary int managerId int id is the primary key (column with unique values) for this table.Each row of this table indicates the ID of an employee, their name, salary, and the ID of their manager.Write a solution to find the employees who earn more than their managers.Return the result table in..

SQL - Algorithm #9

SQL AlgorithmLeetCode1890. Recyclable and Low Fat Products Column Name Type user_idinttime_stampdatetime(user_id, time_stamp) is the primary key (combination of columns with unique values) for this table.Each row contains information about the login time for the user with ID user_id.Write a solution to report the latest login for all users in the year 2020. Do not include the users who did not ..