{"blog_title":"\u7121\u99c4\u3068\u6587\u5316","type":"rich","categories":["BigQuery","\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9"],"version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.mudatobunka.org%2Fentry%2F2026%2F04%2F30%2F100000\" title=\"BigQuery\u306eAPPROX_COUNT_DISTINCT\u306e\u8aa4\u5dee\u30fb\u30b3\u30b9\u30c8\u3092\u5b9f\u6e2c\u3059\u308b - \u7121\u99c4\u3068\u6587\u5316\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/todays_mitsui/","url":"https://blog.mudatobunka.org/entry/2026/04/30/100000","height":"190","title":"BigQuery\u306eAPPROX_COUNT_DISTINCT\u306e\u8aa4\u5dee\u30fb\u30b3\u30b9\u30c8\u3092\u5b9f\u6e2c\u3059\u308b","description":"BigQuery\u306eAPPROX_COUNT_DISTINCT\u306e\u8aa4\u5dee\uff08\u7cbe\u5ea6\uff09\u3068\u30b3\u30b9\u30c8\u3092\u3001\u516c\u958b\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u5b9f\u6e2c\u3057\u3066\u691c\u8a3c\u3002COUNT(DISTINCT)\u3068\u306e\u9055\u3044\u3084\u3001\u30e6\u30cb\u30fc\u30af\u6570\uff08\u30ab\u30fc\u30c7\u30a3\u30ca\u30ea\u30c6\u30a3\uff09\u306b\u3088\u308b\u6319\u52d5\u306e\u9055\u3044\u3001\u5b9f\u52d9\u3067\u306e\u4f7f\u3044\u3069\u3053\u308d\u3092\u6574\u7406\u3057\u307e\u3059\u3002","image_url":null,"provider_name":"Hatena Blog","width":"100%","author_name":"todays_mitsui","published":"2026-04-30 10:00:00","blog_url":"https://blog.mudatobunka.org/"}