実行例 ::

  > select --table Site --limit 0 --drilldown domain
  [[0,1280378845.48263,0.00043],[[[9],[["_id","UInt32"],["_key","ShortText"],["title","ShortText"],["location","WGS84GeoPoint"],["links","Site"],["link","Site"],["domain","SiteDomain"],["country","SiteCountry"]]],[[3],[["_key","ShortText"],["_nsubrecs","Int32"]],[".org",3],[".net",3],[".com",3]]]]
  