title: Return employee salary greater than manger salary from a single all in one employees table
body: <p>i am new to sql journey and got stuck on one query , i want to return employee having salary greater than their manager  , only one table is there,
  there are employee having unique id</p>
  <p><a href="https://i.stack.imgur.com/WMUyC.png" rel="nofollow noreferrer">click here for my sample database</a></p>