title: how to import once data with same value into SQLite with Jquery
body: <p>Hi I have the following data</p>
  
  <pre><code>1    aaaa       
  2    bbbb     
  1    aaaa
  3    cccc
  2    bbbb
  3    cccc
  </code></pre>
  
  <p>I want to import the above data to a SQLite like this</p>
  
  <pre><code>1    aaaa
  2    bbbb
  3    cccc
  </code></pre>
  
  <p>The same numbers must be imported once. </p>
  
  <p>How can I do this?</p>