title: Date Time on x-axis using JFreeChart
body: <p>I would like to create a graph using data from a database (Oracle).
  The dataset contains <code>DateTimeStamp</code> values and numeric values
  The <code>DateTimeStamp</code> values are for intervals of 15 minutes and usually extend for a period greater than one calendar day.
  The <code>DateTimeStamp</code> values need to be graphed against the X-axis and the data values (numeric) will be graphed against the Y-yxis.
  The x-axis major tic marks should be the calendar days.
  I have purchased the enterprise version of <code>JFreeChart</code> but the username password provided does not allow me to ask questions on their <a href="http://www.jfree.org/forum/index.php" rel="nofollow">forum</a>, and sending email to the owner results in no response.</p>
  
  <p>Thanks for any help you can offer. A working code block/snippet would be ideal and much appreciated.</p>