清理mysql特定数据

TRUNCATE TABLE tassetlist;
TRUNCATE TABLE tassetlisthis;
TRUNCATE TABLE tbcrecord;
TRUNCATE TABLE tmediafiles;
TRUNCATE TABLE tmediafileshis;
TRUNCATE TABLE tproductlist;
TRUNCATE TABLE tproductlisthis;
TRUNCATE TABLE tcontentlist;
TRUNCATE TABLE tdisplayfile;