title: Sorting from smallest to largest
body: <p>I have a field capacity in mytable .</p>
  
  <p>I want to sort the fetch data by capacity from smallest to largest</p>
  
  <p>these values are</p>
  
  <pre><code>6" x 12"
  6" x 12"
  6" x 18"
  6" x 12"
  10" x 20"
  12" x 24"
  </code></pre>
  
  <p>I want this results</p>
  
  <pre><code>6" x 12"
  6" x 12"
  6" x 12"
  6" x 18"
  10" x 20"
  12" x 24"
  </code></pre>
  
  <p>if I using this query</p>
  
  <pre><code>select * from mytable order by capacity ASC
  </code></pre>
  
  <p>than the result is</p>
  
  <pre><code>10" x 20"
  12" x 24"
  6" x 12"
  6" x 12"
  6" x 12"
  6" x 18"
  </code></pre>
  
  <p>if I using this query</p>
  
  <pre><code>select * from mytable order by capacity + 0 ASC
  </code></pre>
  
  <p>than the result is</p>
  
  <pre><code>6" x 12"
  6" x 12"
  6" x 18"
  6" x 12"
  10" x 20"
  12" x 24"
  </code></pre>