title: How to query a result with value greater than the min(value) of a table in Oracle
body: <p>Table A: </p>
  
  <pre><code>row_id     row_num
  3488       1
  3488       2
  3488       3
  4523       1
  4523       2
  8783       1
  9999       2
  9999       3
  9999       4
  </code></pre>
  
  <p>How do I get a result of my table where row_num should greater than the minimum value of row_num ? [For example row_num > min(row_num)]</p>
  
  <p>The expected result</p>
  
  <pre><code>row_id     row_num
  3488       2
  3488       3
  4523       2
  9999       3
  9999       4
  </code></pre>