Warning: Undefined array key "userid" in /users/2019/i1919027/public_html/2022/WebDB/FinalExam/login.php on line 6

Warning: Undefined array key "password" in /users/2019/i1919027/public_html/2022/WebDB/FinalExam/login.php on line 7
SELECT no, userid FROM final_test WHERE userid = '' AND password = md5('')
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