{"description":"UUID\u3068\u306f\uff1f \u958b\u767a\u6642\u306b\u30c7\u30fc\u30bf\u306b\u4e00\u610f\u306aID\u3092\u5272\u308a\u632f\u308b\u969b\u306b\u3088\u304f\u7528\u3044\u3089\u308c\u308b\u3002 UUID\u306b\u306f\u8907\u6570\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u3042\u308a\u3001UUID v4\u304c\u3088\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u308b\u3002 \u7279\u5fb4 \u30d3\u30c3\u30c8\u5e45\u306f 128\u30d3\u30c3\u30c8(16\u30d0\u30a4\u30c8) \u3067\u3001\u6587\u5b57\u5217\u8868\u73fe\u3067\u306f16\u9032\u6cd5\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u3067\u8868\u73fe\u3059\u308b\u3002 \uff0832\u30d0\u30a4\u30c8+\u30d0\u30a6\u30f3\u30c0\u30ea4\u30d0\u30a4\u30c8=36\u30d0\u30a4\u30c8\u3002 \"-\" \u304c\u30d0\u30a6\u30f3\u30c0\u30ea\u6587\u5b57\u5217\uff09 550e8400-e29b-41d4-a716-446655440000 UUID v4 UUID v4\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u306b\u57fa\u3065\u3044\u3066\u751f\u6210\u3055\u308c\u308b128\u30d3\u30c3\u30c8\u306e\u8b58\u5225\u5b50 \u751f\u6210\u3054\u3068\u306b\u5b8c\u5168\u306b\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u304c\u751f\u6210\u3055\u308c\u308b \u885d\u7a81\u53ef\u80fd\u6027\u30820\u3067\u306f\u306a\u3044\u304c\u3001\u73fe\u5b9f\u7684\u306b\u306f\u885d\u7a81\u306e\u9650\u308a\u306a\u304f\u4f4e\u3044\u306e\u3067\u5b89\u5168\u306b\u5229\u7528\u2026","published":"2023-12-14 18:40:14","provider_url":"https://hatena.blog","height":"190","url":"https://tamata78.hatenablog.com/entry/2023/12/14/184014","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftamata78.hatenablog.com%2Fentry%2F2023%2F12%2F14%2F184014\" title=\"UUID, ULID\u3068\u306f\uff1f  - \u6c17\u8efd\u306b\u697d\u3057\u304f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u904a\u3076\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"tamata78","categories":["identify"],"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/t/tamata78/20250725/20250725124142.png","blog_title":"\u6c17\u8efd\u306b\u697d\u3057\u304f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u904a\u3076","blog_url":"https://tamata78.hatenablog.com/","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/tamata78/","version":"1.0","type":"rich","width":"100%","title":"UUID, ULID\u3068\u306f\uff1f "}