title: What's useage of iOS app Cache.db in Library caches path?
body: <p>I found in iOS simulator, there is a file named Cache.db in Library caches path. </p>
  
  <p>There are some tables in the db:</p>
  
  <pre><code>sqlite3 Cache.db 
  SQLite version 3.7.5
  Enter ".help" for instructions
  Enter SQL statements terminated with a ";"
  sqlite&gt; .table
  cfurl_cache_blob_data       cfurl_cache_response      
  cfurl_cache_receiver_data   cfurl_cache_schema_version
  </code></pre>
  
  <p>I want to know what does it do? And how can we make use of this db?</p>