ORA Database Error Messages ORA-02268: referenced table does not have a primary key June 17, 2015 mpbod ORA-02268: referenced table does not have a primary key Cause: The referenced table does not have a primary key. Action: Specify explicitly the referenced table unique key. 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)