INSERT INTO g4_visit (vi_ip, vi_date, vi_time, vi_referer, vi_agent, vi_SID) VALUES 
 (216.73.216.212, 2025-06-27, 21:02:31, URI=/sdb/book_history/errata_pdf.php?c_code=17773&it_version=개정19판1쇄, Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0;  claudebot@anthropic.com), q2uocs13u097h3t7q160geva2g) ;