title: SQL query to display the length and first 3 characters of ename column in emp table
body: <p>just as the question can we do something to get the length and first 3 characters of the employee name of one column</p>
  
  <p>Please do not mark as answered or duplicate
  i have the test tomorrow Advance SQL so I am trying to solve some imp question..
  Please answer the problem</p>
  
  <p>thanks again</p>