title: How to use two sqlite database files in single iOS project with simultaneously fetch data from both Database
body: <p>My requirement is to add two <code>SQLite</code> database files in my project. I know that is possible. But how can I access two database files simultaneously?</p>
  
  <p>One more thing currently I am using <code>FMDB</code> to manipulate database operation.</p>
  
  <p><strong>Note :</strong> Both of my DB file sizes are near about <code>1GB</code> each. so also want to know that if I use 2 DB file so is there any memory issue will occur in my application ?</p>
  
  <p>Thanks.</p>