汤姆·凯特也反驳了你的命题： https://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:1145132537055

Tom Kyte also rebuts your proposition here: https://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:1145132537055