title: Compare entire rows in two sheets
body: <p>I have two sheets with same data and I want to compare entire row in two sheets.</p>
  
  <pre><code>On Sheet1 (old data)
  Col A       | Col B
  1001        | My Val 1
  2001        | My Val 2
  3001        | My Val 3
  
  On Sheet2 (new data)
  Col A       | Col B          | C
  3001        | My Val 3       |True
  1001        | My New Val 1   |False
  2001        | My New Val 2   |False
  </code></pre>