title: SQLite database partitioning
body: <p>I want to create sqlite partition structure,
  I created 3 databases,
  I attached those 3 databases to another database which will be parent with</p>
  
  <pre><code>ATTACH DATABASE '1.db' as 1
  ATTACH DATABASE '2.db' as 2
  ATTACH DATABASE '3.db' as 3
  </code></pre>
  
  <p>after i <code>.quit</code> the parent database the database attachments detach, How can I keep them attached even if I quit the database?
  Thanks.</p>