dedecms织梦如何删除所有的文章？用SQL命令

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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！