title: Sqlite query to select similar unknown rows
body: <p>The table is in following format</p>
  
  <pre><code> item | price | quantity
   xyz  |   20  |10
   xyz  |   20  |10
   abc  |   10  |40
   def  |   60  |110
  </code></pre>
  
  <p>I want to select all values which is equivalent to "xyz" in the item column. </p>