title: How do I remove repeated column values from report
body: <p>FROM THIS: </p>
  
  <pre><code>Hotel                     Type   Room Guest                                     From      To
      ------------------------- ------ ---- ----------------------------------------- --------- ---------
      University Inn &amp; Suites   Double 101  George Brown                              11-SEP-10 14-SEP-10
      University Inn &amp; Suites   Double 101  George Brown                              11-OCT-10 13-OCT-10
      University Inn &amp; Suites   Double 102
      University Inn &amp; Suites   Double 103
      University Inn &amp; Suites   Double 104
      University Inn &amp; Suites   Double 105
      University Inn &amp; Suites   Family 106  George Brooks                             22-SEP-10 27-SEP-10
      University Inn &amp; Suites   Family 107
      University Inn &amp; Suites   Single 201  Sandra Williams                           15-SEP-10 19-SEP-10
      University Inn &amp; Suites   Single 201  Liz Armstrong                             16-SEP-10 18-SEP-10
      University Inn &amp; Suites   Single 201  Craig Harper                              19-SEP-10 22-SEP-10
      University Inn &amp; Suites   Single 202  Roger Harris                              03-SEP-10 10-SEP-10
      University Inn &amp; Suites   Single 202  Tonya Harris                              23-SEP-10 27-SEP-10
      University Inn &amp; Suites   Single 203
      University Inn &amp; Suites   Single 204
      University Inn &amp; Suites   Single 205
  </code></pre>
  
  <p>TO THIS</p>
  
  <pre><code>    Hotel                     Type   Room Guest                                     From      To
      ------------------------- ------ ---- ----------------------------------------- --------- ---------
      University Inn &amp; Suites   Double 101  George Brown                              11-SEP-10 14-SEP-10
                                            George Brown                              11-OCT-10 13-OCT-10
                                       102  
                                       103
                                       104
                                       105
                                Family 106  George Brooks                             22-SEP-10 27-SEP-10
                                       107
                                Single 201  Sandra Williams                           15-SEP-10 19-SEP-10
                                       201  Liz Armstrong                             16-SEP-10 18-SEP-10
                                            Craig Harper                              19-SEP-10 22-SEP-10
                                       202  Roger Harris                              03-SEP-10 10-SEP-10
                                            Tonya Harris                              23-SEP-10 27-SEP-10
                                       203
                                       204
                                       205
  </code></pre>