[42000][923] Ora00923: From Keyword Not Found Where Expected

ora 923ORA-00923 occurs when you try to execute a SELECT or REVOKE statement without a FROM keyword in its correct form and place. If you are seeing this error, the keyword FROM isこのエラーはのようなにします SQL> select sysdate dual; select sysdate dual * 1でエラーがしました : ORA-00923: FROMキーワードがのに