ORA Database Error Messages ORA-29821: specified primary operator does not exist September 12, 2017 mpbod ORA-29821: specified primary operator does not exist Cause: The specified primary operator does not exist Action: Check the primary operator and the signature specified 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)