title: How to produce rank in Oracle
body: <p>Need to rank the below by salary, with highest salary having rank 1.  </p>
  
  <p>The <code>RANK</code> column shown is what I'm after:</p>
  
  <pre><code>Empname        sal      address           RANK
  ----------------------------------------------
  Ram            3411     45,east road      2
  Anirban        2311     34,west wind      4
  Sagor          10000    34,south          1
  Manisha        3111     12,d.h road       3
  </code></pre>