title: how to fetch the objects in dm_acl who grants the same sets of permission at the same time
body: <p>I am doing a <code>JavaFx</code> project connected to <code>Documentum</code> data source . lets say I have a set of groups : group1 , group2 , group3 
  How can I query all the <code>acl_names</code> from <code>dm_acl</code> who has <code>only and exactly</code> these groups as their <code>r_acceesor_name</code> . For example using the following query I can get the r_accessor_name of a specific acl: </p>
  
  <pre><code>select r_acceessor_name from dm_acl where object_name = 'My_acl_name' enable (row_based)
  </code></pre>
  
  <p>and the output is : </p>
  
  <pre><code>group1
  group2
  group3
  </code></pre>
  
  <p>But what I want to do is the reverse of this .I've tried the following query : </p>
  
  <pre><code>select object_name from dm_acl where r_accessor_name = 'group1' or r_accessor_name = 'group2' or r_accessor_name = 'group3' enable (row_based) 
  </code></pre>
  
  <p>But the problem with the output is that it's too general which makes sense because  of keyword <code>OR</code>
  then I tried this : </p>
  
  <pre><code>select object_name from dm_acl where r_accessor_name = 'group1' and r_accessor_name = 'group2' and r_accessor_name = 'group3' enable (row_based) 
  </code></pre>
  
  <p>which is too specific ==> zero output </p>