title: How to convert the following source into the below target
body: <pre><code>Student Name    Subject Name        Marks
  Sam             Maths                100
  Tom             Maths                 80
  Sam             Physical Science      80
  John            Maths                 75
  Sam             Life Science          70
  John            Life Science         100
  John            Physical Science      85
  Tom             Life Science         100
  Tom             Physical Science      85
  </code></pre>
  
  <p>We want to load our Target Table as:</p>
  
  <pre><code>Student Name    Maths   Life Science    Physical Science
  Sam              100      70              80
  John              75     100              85
  Tom               80     100              85
  </code></pre>