title: Sql finding two columns for values
body: <p>I have 2 tables joined with inner join with a column
  Now rows would have </p>
  
  <pre><code>A   B
  C   D
  E   G
  P   Q
  Z   F
  </code></pre>
  
  <p>This row I need to compare with Master Relation Table</p>
  
  <pre><code>Column1     Column2
  A       B
  D       C
  E       F
  </code></pre>
  
  <p>So based on the above condition I need to show records in a report</p>
  
  <pre><code>A   B   Do Not Show
  C   D   Do Not Show
  E   G   Show
  P   Q   Show
  Z   F   Show
  </code></pre>