title: SQL - Find Differences Between Columns
body: <p>Let's say I have the following table</p>
  
  <pre><code>Sku | Number | Name
  11    1        hat
  12    1        hat
  13    1        hats
  22    2        car
  33    3        truck
  44    4        boat
  45    4        boat
  </code></pre>
  
  <p>Is there an easy way to figure out how to find the differences within each Number. For example, with the table above, I would want the query to output:</p>
  
  <pre><code>13 | 1 | hats
  </code></pre>
  
  <p>The reason for this is because our program processes the rows as long as the number matches the name. If there is an instance where the name doesn't match but the rest of the names do, it will fail.</p>