1. update dede_archives set title=replace(title,'旧标题','新标题')

织梦DeDeCMS 文章作者批量替换

1. update dede_archives set writer=replace(writer,'旧作者','新作者');

织梦DeDeCMS 文章来源批量替换

1. update dede_archives set source=replace(source,'旧来源','新来源');

织梦DeDeCMS 文章标签批量替换

1. update dede_tagindex set tag=replace(tag,'旧关键字','新关键字');

2. update dede_taglist set tag=replace(tag,'旧标签','新标签');

织梦DeDeCMS 文章页关键字批量替换

1. update dede_archives set keywords=replace(keywords,'别人的','你的');

织梦DeDeCMS 文章页描述批量替换

1. update dede_archives set description=replace(description,'旧描述','新描述');

织梦DeDeCMS 文章Url规则批量替换

1. update dede_arctype set namerule='{typedir}/{aid}.html';

织梦DeDeCMS 内容批量替换

1. update dede_addonarticle set body=replace(body,'旧内容','新内容')

织梦DeDeCMS 缩略图批量替换

1. update dede_archives set litpic=replace(litpic,'旧图地址','新图地址')

最后一个：织梦DeDeCMS 清空所有文章SQL语句

1. DELETE FROM dede_addonarticle WHERE aid >= 1 and aid< =5000;

2. DELETE FROM dede_arctiny WHERE id >= 1 and id< =5000;

3. DELETE FROM dede_archives WHERE id >= 1 and id<=5000;

注意：清空回收站里所有的文章

1. delete dede_addonarticle,dede_archives,dede_arctiny from dede_addonarticle,dede_archives,dede_arctiny where dede_addonarticle.aid=dede_archives.id and dede_arctiny.id=dede_archives.id and dede_archives.arcrank='-2'