title: ResultSetMetaData getting default value of column
body: <p>I am Using Oracle database.</p>
  
  <p>I want to get default value assign to column using Java JDBC.</p>
  
  <p>But using <code>ResultSetMetaData</code> does not provide any method to get default value of column.</p>
  
  <p>So please tell me any idea.
  Thanks in advance.</p>