ORA Database Error Messages ORA-02440: Create as select with referential constraints not allowed June 19, 2015 mpbod ORA-02440: Create as select with referential constraints not allowed Cause: create table foo (… ref. con. …) as select …; Action: Create the table as select, then alter the table to add the constraints afterwards. 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)