title: Get the most recent Tags for a project ID
body: <p>I want to get the most recent tag_Values for each <code>ProjectID</code>.</p>
  
  <p>At the moment I get all with:</p>
  
  <pre><code>SELECT t.tag_value, t.tag_desc, u.update_dat_ins AS INSETION_DATE, p.structure_id AS PROJECT_ID
   FROM updated u 
   JOIN project p ON p.project_id = u.project_id  
   JOIN tag t ON t.tag_id = u.tag_id 
   WHERE t.tag_desc LIKE 'Equity%';
  </code></pre>
  
  <p>How to get only the most recent(by <code>INSERTION_DATE</code>) <code>tag_values</code> for each <code>productID</code> back?</p>
  
  <p><strong>UPDATE</strong></p>
  
  <pre><code>+----------------------------------------------+
  | TAG_VALUE TAG_DESC INSERTION_DATE PROJECT_ID |
  +----------------------------------------------+
  | 200         Equity  17-DEC-13       1        |
  | 10012       Equity  14-DEC-14       1        |
  | 312         Equity  12-DEC-12       2        |
  | 13415       Equity  16-DEC-11       5        |
  | 13415       Equity  17-DEC-11       5        |
  | 13415       Equity  18-SEPT-13      2        |
  | 13415       Equity  16-OCT-10       9        |
  +----------------------------------------------+
  </code></pre>
  
  <p><strong>Expected result:</strong></p>
  
  <pre><code>+----------------------------------------------+
  | TAG_VALUE TAG_DESC INSERTION_DATE PROJECT_ID |
  +----------------------------------------------+
  | 10012       Equity  14-DEC-14       1        |
  | 13415       Equity  17-DEC-11       5        |
  | 13415       Equity  18-SEPT-13      2        |
  | 13415       Equity  16-OCT-10       9        |
  +----------------------------------------------+
  </code></pre>