title: How to find the cause of sudden Undo TableSpace increase?
body: <p>I use Oracle R12.1.3 on Oracle 10g DB 10.2.0.4 version hosted in IBM AIX 5.3 OS.</p>
  
  <p>Recently I found the data occupied in Undo TableSpace was suddenly increased.</p>
  
  <p>Please let me know what can be the cause of this sudden increase.</p>
  
  <p>If there is a query to find this cause please let me know.</p>