title: how to find source search for a table?
body: <p>i have a existing table called property i alter a column called overbook_percent (i change a number 2 to 3) but i want to do a source search to make sure that there is not a variable declaration that sets this to just 2 digits. how would i go about this?not sure you called this a source search. 
  how can i see where this table column is use? </p>
  
  <p>i tried this but get no output</p>
  
  <pre><code>select text
    from dba_source
  where upper(text) like 'OVERBOOK_MAX'
  ;
  </code></pre>
  
  <p>I'm working on toad for oracle </p>