title: How to Multiply all values within a column with SQL like SUM()
body: <p>Lets say I have table with 1 column like this:</p>
  
  <pre><code>Col A
  1
  2
  3
  4
  </code></pre>
  
  <p>If I <code>SUM</code> it, then I will get this:</p>
  
  <pre><code>Col A
  10
  </code></pre>
  
  <p>My question is: how do I multiply Col A so I get the following?</p>
  
  <pre><code>Col A
  24
  </code></pre>