title: How to use RANK() SQl Function?
body: <p>I have a <strong>Marks</strong> table where i have a column <strong>marks_score</strong> and i want to add a Rank column using select query using <strong>Order BY Marks_score Desc</strong>.</p>
  
  <p>I dont know how to use RANK() SQL Function</p>
  
  <p>thanks in advance!!!</p>