title: Get the results with multiple time comparison a single column value
body: <p>Table <strong>MARKS</strong>:</p>
  
  <pre><code>STUDENT COL_SKILL   COL_MARKS
  -----------------------------
  1       PHP         5
  1       SQL         3
  1       HTML        2
  1       CSS         2
  2       PHP         1
  2       SQL         1
  3       PHP         3
  3       HTML        2
  3       CSS         2
  </code></pre>
  
  <p>I want to get the results of </p>
  
  <pre><code>SELECT STUDENT 
  FROM MARKS 
  WHERE SKILL = 'PHP' AND MARKS &gt;= 3
  
  SELECT STUDENT 
  FROM MARKS 
  WHERE SKILL = 'HTML' AND MARKS &gt;= 2
  </code></pre>
  
  <p>I want get the list of student in a single query.</p>