ORA Database Error Messages ORA-02491: missing required keyword ON or OFF in AUTOEXTEND clause June 19, 2015 mpbod ORA-02491: missing required keyword ON or OFF in AUTOEXTEND clause Cause: The keyword ON or OFF was not specified for the AUTOEXTEND clause. Action: Use correct syntax. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)