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？dede一键删除所有文章的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;