{"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","provider_name":"Hatena Blog","width":"100%","provider_url":"https://hatena.blog","author_name":"dk521123","author_url":"https://blog.hatena.ne.jp/dk521123/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdk521123.hatenablog.com%2Fentry%2F2025%2F08%2F29%2F000032\" title=\"\u3010Snowflake\u3011Snowflake \uff5e ENABLE_SCHEMA_EVOLUTION \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>","height":"190","description":"\u25fe\ufe0f\u306f\u3058\u3081\u306b \u5c0f\u30cd\u30bf\u3070\u3063\u304b\u308a\u3060\u304c\u3001\u3001\u3001 Snowflake\u306eENABLE_SCHEMA_EVOLUTION=True / False \u306b\u3064\u3044\u3066\u30e1\u30e2\u3063\u3066\u304a\u304f \u76ee\u6b21 \u3010\uff11\u3011ENABLE_SCHEMA_EVOLUTION \u3010\uff12\u3011\u95a2\u9023\u3059\u308bSQL\u6587 \uff11\uff09ENABLE_SCHEMA_EVOLUTION\u306e\u5207\u308a\u66ff\u3048 \uff12\uff09\u78ba\u8a8d\u65b9\u6cd5 \u3010\uff11\u3011ENABLE_SCHEMA_EVOLUTION * Table \u306bENABLE_SCHEMA_EVOLUTION=True\u306b\u3059\u308b\u3068 \u4ee5\u4e0b\u306e\u6a5f\u80fd\u304c\u4ed8\u4e0e\u3055\u308c\u308b ~~~~~ [1] \u65b0\u3057\u3044\u5217\u306e\u81ea\u52d5\u8ffd\u52a0\u3002 [2] \u65b0\u3057\u3044\u30c7\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u3067\u6b20\u843d\u3057\u3066\u3044\u308b\u5217\u304b\u3089\u306e NOT NULL \u5236\u7d04\u306e\u81ea\u52d5\u2026","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2","type":"rich","blog_url":"https://dk521123.hatenablog.com/","title":"\u3010Snowflake\u3011Snowflake \uff5e ENABLE_SCHEMA_EVOLUTION \uff5e","url":"https://dk521123.hatenablog.com/entry/2025/08/29/000032","categories":[],"version":"1.0","published":"2025-08-29 00:00:32"}