Warning: Undefined array key "userid" in /users/2021/i2151008/public_html/2022/WebDB/FinalExam/login.php on line 7

Warning: Undefined array key "password" in /users/2021/i2151008/public_html/2022/WebDB/FinalExam/login.php on line 8
SELECT no, userid FROM final_test WHERE userid = '' AND password = md5('')
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