title: Compare 2 comma-separated columns in two different oracle tables
body: <p>I want to compare columnn-A of Table-1 with Column B of Table-2. both have comma separated values.<br>
   In my case if all the values in column B exists in column A, I have to return TRUE<br>
  ELSE FALSE. Please advise. for example:</p>
  
  <p>1.Column A has a,b,c,def Column B has a,c,b its should return TRUE<br>
  2. Column 1 has vvv,ccc,rr Column 2 has ccc,rr, 125 it should return FALSE<br>
  3. Column 1 has null and Column 2 has null, it should return TRUE  </p>
  
  <p>Please help</p>