title: Find out the nth-highest salary from table
body: <pre><code>name   salary
  -----   -----
  mohan     500
  ram      1000
  dinesh   5000
  hareesh  6000
  mallu    7500
  manju    7500
  praveen 10000
  hari    10000
  </code></pre>
  
  <p>How would I find the nth-highest salary from the aforementioned table using Oracle?</p>