INSERT INTO g4_visit (vi_ip, vi_date, vi_time, vi_referer, vi_agent, vi_SID) VALUES 
 (216.73.216.212, 2025-06-27, 21:12:10, URI=/sdb/book_history/errata_pdf.php?c_code=16921&it_version=개정4판1쇄, Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0;  claudebot@anthropic.com), 80uamf5hern1hqshqeoo4hvagl) ;