{"description":"\u25a0 \u306f\u3058\u3081\u306b https://dk521123.hatenablog.com/entry/2023/03/04/222610 \u306e\u7d9a\u304d\u3002 \u4eca\u56de\u306f\u3001Snowflake\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30ad\u30fc\u3068\u306a\u308b \u300c\u30d7\u30eb\u30fc\u30cb\u30f3\u30b0\u300d\u3001\u300c\u30de\u30a4\u30af\u30ed\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u300d\u3001\u300c\u30b9\u30d4\u30eb\u300d \u306b\u3064\u3044\u3066\u6271\u3046 \u76ee\u6b21 \u3010\uff11\u3011\u30d7\u30eb\u30fc\u30cb\u30f3\u30b0\uff08Pruning\uff09 \uff11\uff09\u3069\u3046\u3084\u3063\u3066\u78ba\u8a8d\u3059\u308b\u306e\u304b\uff1f \u3010\uff12\u3011\u30de\u30a4\u30af\u30ed\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\uff08Micro-partition\uff09 \uff11\uff09\u30c7\u30fc\u30bf\u69cb\u9020 \uff12\uff09\u7279\u5fb4 \uff13\uff09\u5229\u70b9 \uff14\uff09\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u306e\u6df1\u3055\u3068\u306e\u95a2\u4fc2 \uff15\uff09\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u306e\u6df1\u3055\u306e\u78ba\u8a8d\u65b9\u6cd5 \u3010\uff13\u3011\u30b9\u30d4\u30eb\uff08Spill\uff09 \uff11\uff09\u30b9\u30d4\u30eb\u5bfe\u7b56 \u3010\uff11\u3011\u30d7\u30eb\u30fc\u30cb\u30f3\u30b0\uff08Pruning\uff09 https\u2026","type":"rich","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdk521123.hatenablog.com%2Fentry%2F2023%2F09%2F20%2F002235\" title=\"\u3010Snowflake\u3011Snowflake\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584 \uff5e \u57fa\u790e\u77e5\u8b58\u7de8 \uff5e - \u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2","categories":["Snowflake"],"width":"100%","blog_url":"https://dk521123.hatenablog.com/","image_url":"https://cdn.image.st-hatena.com/image/square/adad63b72f1d6545b2ba2538c3fc2923b2fd5989/backend=imagemagick;height=80;version=1;width=80/https%3A%2F%2Fcdn.blog.st-hatena.com%2Fimages%2Fcircle%2Fofficial-circle-icon%2Fcomputers.gif","url":"https://dk521123.hatenablog.com/entry/2023/09/20/002235","title":"\u3010Snowflake\u3011Snowflake\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584 \uff5e \u57fa\u790e\u77e5\u8b58\u7de8 \uff5e","author_url":"https://blog.hatena.ne.jp/dk521123/","published":"2023-09-20 00:22:35","version":"1.0","height":"190","provider_url":"https://hatena.blog","author_name":"dk521123"}