{"provider_url":"https://hatena.blog","author_name":"griefworker","categories":["C#"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftnakamura.hatenablog.com%2Fentry%2F2019%2F08%2F26%2Fulid-vs-guid\" title=\"Ulid vs. Guid - present\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","type":"rich","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/g/griefworker/20190807/20190807115035.png","url":"https://tnakamura.hatenablog.com/entry/2019/08/26/ulid-vs-guid","blog_title":"present","width":"100%","description":"\u306f\u3058\u3081\u306b Guid \u3092\u4e3b\u30ad\u30fc\u306b\u4f7f\u3063\u3066\u3044\u308b\u305b\u3044\u3067\u3001\u73fe\u5728\u9032\u884c\u4e2d\u3067\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u65ad\u7247\u5316\u306b\u60a9\u307e\u3055\u308c\u3066\u3044\u308b\u3002 \u30bd\u30fc\u30c8\u53ef\u80fd\u306a ULID \u3092\u4f7f\u3048\u3070\u3001\u3053\u306e\u60a9\u307f\u304c\u8efd\u6e1b\u3067\u304d\u305f\u308a\u3059\u308b\u3093\u3060\u308d\u3046\u304b\u3002 \u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u5b9f\u9a13\u3057\u3066\u307f\u305f\u3002 \u4ee5\u4e0b\u306f\u5b9f\u9a13\u306b\u4f7f\u3063\u305f\u30b5\u30f3\u30d7\u30eb using System; using System.Data.SqlClient; using System.Threading.Tasks; using System.Linq; using Dapper; namespace UlidVsGuid { class Program { const int Count = 1000; const int Defau\u2026","blog_url":"https://tnakamura.hatenablog.com/","height":"190","author_url":"https://blog.hatena.ne.jp/griefworker/","published":"2019-08-26 17:30:00","title":"Ulid vs. Guid"}