title: Online SQL Query Syntax Checker
body: <p>I need an online sql query syntax validator. </p>
  
  <p>I searched online but didn't find anything good. </p>
  
  <p>I saw the references in this question too:</p>
  
  <p><a href="https://stackoverflow.com/questions/3138022/syntax-checker-and-validator-for-sql">Syntax Checker and Validator for SQL?</a></p>