title: Compare two tables and give the output record which does not exist in 1st table
body: <p>I want an SQL code which should perform the task of data scrubbing.</p>
  
  <p>I have two tables both contain some names I want to compare them and list out only those name which are in table 2 but not in table 1.</p>
  
  <p>Example: </p>
  
  <pre><code>Table 1 = A ,B,C
  Table 2 = C,D,E
  </code></pre>
  
  <p>The result must have D and E?</p>