CREATE TABLE `source` ( `id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE, `uri` TEXT NOT NULL UNIQUE, `last_modified` TEXT, `http_etag` TEXT ); CREATE TABLE `episode` ( `id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE, `title` TEXT, `uri` TEXT UNIQUE, `local_uri` TEXT, `description` TEXT, `published_date` TEXT , `epoch` INTEGER, `length` INTEGER, `guid` TEXT, `podcast_id` INTEGER NOT NULL ); CREATE TABLE `podcast` ( `id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE, `title` TEXT NOT NULL UNIQUE, `link` TEXT NOT NULL, `description` TEXT NOT NULL, `image_uri` TEXT, `source_id` INTEGER NOT NULL );