dedecms织梦如何删除所有的文章？用SQL命令

dedecms织梦如何删除所有的文章？用SQL命令

DELETE FROM dede_addonarticle WHERE AId >= 1 and aid<=200000;

DELETE FROM dede_arctiny WHERE id >= 1 and id<=200000;

DELETE FROM dede_archives WHERE id >= 1 and id<=200000;

请谨慎使用！