my.json

{
 db: {
  _type: 'mysql',
  _type_article: {
   num: 'integer',
   title: 'char(60)',
   content: 'text'
  },
  board: '_type_article'
 },
 page: {
  home: 'home page',
  board: '.db.board>>board page',
  sitemap: 'home, board>>sitemap page',
  profile: 'profile page',
  contact: 'contact page'
 }
}