This preface describes the document accessibility features and conventions used in this guide—.
For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at http://www.oracle.com/pls/topic/lookup?ctx=acc&id=docacc.
Access to Oracle Support
Oracle customers that have purchased support have access to electronic support through My Oracle Support. For information, visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=info or visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=trs if you are hearing impaired.
The following text conventions are used in this document:
| Convention | Meaning | 
|---|---|
| 
 boldface  | 
 Boldface type indicates graphical user interface elements associated with an action, or terms defined in text or the glossary.  | 
| 
 italic  | 
 Italic type indicates book titles, emphasis, or placeholder variables for which you supply particular values.  | 
| 
 
  | 
 Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter.  |