title: SQL : select when a character occurs more than once in a column
body: <p>I have a select statement</p>
  
  <pre><code>select * from B2B_CardTechCards
          where Field NOT LIKE '%-%'
  </code></pre>
  
  <p>I only want to select the cells that has more than one occurrence of "-" in it. if it occurred once I don't need it.</p>