title: An explicit value for the identity column in table 'COM_MST' can only be specified when a column list is used and IDENTITY_INSERT is ON
body: <p>don't know why this code is not executing...</p>
  
  <pre><code>SET IDENTITY_INSERT COM_MST ON
  GO
  INSERT INTO COM_MST 
  SELECT * FROM COM_MST_DEL
  </code></pre>
  
  <p>and showing an error</p>
  
  <pre><code>An explicit value for the identity column in table 'COM_MST' can only be specified when a column list is used and IDENTITY_INSERT is ON.
  </code></pre>