Article table:
CREATE TABLE `articles` ( `id` int(10) unsigned NOT NULL auto_increment, `keyname` varchar(96) NOT NULL, `title` varchar(96) NOT NULL, `content` text NOT NULL, `tags` varchar(128) NOT NULL, `author` varchar(128) NOT NULL, `date_created` datetime NOT NULL, `date_updated` datetime default NULL, PRIMARY KEY (`id`) )
Article Images:
CREATE TABLE `articles_images` ( `id` int(10) unsigned NOT NULL auto_increment, `article_id` int(10) unsigned NOT NULL, `url_thumb` varchar(512) NOT NULL, `url_big` varchar(512) NOT NULL, `date_created` datetime NOT NULL, PRIMARY KEY (`id`), KEY `article_id` (`article_id`) )
url_thumb - image thumbnail
url_big - large image
And you can check the wordpress chema database
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