补充一下。
批量替换帖子内容字符
UPDATE cdb_posts SET message=REPLACE(message,'要替换的字符串','替换后的字符串');
批量替换帖子内容显示页标题字符 引用:
UPDATE cdb_posts SET subject=REPLACE(subject,'要替换的字符串','替换后的字符串');
批量替换帖子标题字符
UPDATE cdb_threads SET subject=REPLACE(subject,'要替换的字符串','替换后的字符串');