SELECT
 CONCAT(
 'ALTER TABLE ',
 table_name,
 ' RENAME TO b',
 substring(table_name, 5),
 ';'
 )
FROM
 information_schema.tables Where table_name LIKE 'JiaBlog_%';

ALTER TABLE JiaBlog_Love RENAME TO blog_Love;
ALTER TABLE JiaBlog_area RENAME TO blog_area;
ALTER TABLE JiaBlog_articlebodypic RENAME TO blog_articlebodypic;
ALTER TABLE JiaBlog_articles RENAME TO blog_articles;
ALTER TABLE JiaBlog_articles_tags RENAME TO blog_articles_tags;
ALTER TABLE JiaBlog_blogauth RENAME TO blog_blogauth;
ALTER TABLE JiaBlog_blogrole RENAME TO blog_blogrole;
ALTER TABLE JiaBlog_bloguser RENAME TO blog_bloguser;
ALTER TABLE JiaBlog_bloguser_role RENAME TO blog_bloguser_role;
ALTER TABLE JiaBlog_blogusercollect RENAME TO blog_blogusercollect;
ALTER TABLE JiaBlog_category RENAME TO blog_category;
ALTER TABLE JiaBlog_codemodel RENAME TO blog_codemodel;
ALTER TABLE JiaBlog_comment RENAME TO blog_comment;
ALTER TABLE JiaBlog_daynumber RENAME TO blog_daynumber;
ALTER TABLE JiaBlog_genre RENAME TO blog_genre;
ALTER TABLE JiaBlog_graduation RENAME TO blog_graduation;
ALTER TABLE JiaBlog_hits RENAME TO blog_hits;
ALTER TABLE JiaBlog_honour RENAME TO blog_honour;
ALTER TABLE JiaBlog_jia RENAME TO blog_jia;
ALTER TABLE JiaBlog_jiafile RENAME TO blog_jiafile;
ALTER TABLE JiaBlog_message RENAME TO blog_message;
ALTER TABLE JiaBlog_movie RENAME TO blog_movie;
ALTER TABLE JiaBlog_note RENAME TO blog_note;
ALTER TABLE JiaBlog_paper RENAME TO blog_paper;
ALTER TABLE JiaBlog_params RENAME TO blog_params;
ALTER TABLE JiaBlog_project RENAME TO blog_project;
ALTER TABLE JiaBlog_recruinfo RENAME TO blog_recruinfo;
ALTER TABLE JiaBlog_recruitment RENAME TO blog_recruitment;
ALTER TABLE JiaBlog_resume RENAME TO blog_resume;
ALTER TABLE JiaBlog_sysrecord RENAME TO blog_sysrecord;
ALTER TABLE JiaBlog_tag RENAME TO blog_tag;
ALTER TABLE JiaBlog_teacher RENAME TO blog_teacher;
ALTER TABLE JiaBlog_userip RENAME TO blog_userip;
ALTER TABLE JiaBlog_version RENAME TO blog_version;
ALTER TABLE JiaBlog_visitnumber RENAME TO blog_visitnumber;