{"published":"2022-04-24 20:08:55","url":"https://oooomincrypto.hatenadiary.jp/entry/2022/04/24/200855","width":"100%","type":"rich","author_url":"https://blog.hatena.ne.jp/bookreadkun/","image_url":"https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/538249/a50cc011-28e3-a1ac-31f0-0cf4e1582df7.png","blog_url":"https://oooomincrypto.hatenadiary.jp/","title":"EFCore\u306eHasIndex\u30e1\u30bd\u30c3\u30c9\u3092\u7528\u3044\u3066DB\u306e\u30ab\u30e9\u30e0\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\uff01","blog_title":"\u304a\u30fc\u307f\u3093\u30d6\u30ed\u30b0","provider_name":"Hatena Blog","author_name":"bookreadkun","version":"1.0","height":"190","provider_url":"https://hatena.blog","categories":["C#"],"description":"\u306f\u3058\u3081\u306b ASP.NET Core\u3067\u30e2\u30c7\u30eb\u3092\u5b9a\u7fa9\u3059\u308b\u5834\u5408\u306fEntity\u30af\u30e9\u30b9\u306b\u30c6\u30fc\u30d6\u30eb\u5b9a\u7fa9\u3092\u66f8\u304d\u3001DbContext\u30af\u30e9\u30b9\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5b9a\u7fa9\u3092\u884c\u3044\u307e\u3059\u3002 \u4eca\u56de\u306f\u305d\u308c\u3089\u306e\u5b9a\u7fa9\u306b\u52a0\u3048\u3066EFCore\u3067\u7279\u5b9a\u306e\u30ab\u30e9\u30e0\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4ed8\u4e0e\u3059\u308b\u65b9\u6cd5\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002 HasIndex\u30e1\u30bd\u30c3\u30c9 EFCore\u3092\u7528\u3044\u3066\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4ed8\u4e0e\u3059\u308b\u5834\u5408\u306f\u3053\u3061\u3089\u306eHasIndex\u30e1\u30bd\u30c3\u30c9\u3092\u7528\u3044\u307e\u3059\u3002 docs.microsoft.com \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9 HasIndex\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u969b\u306fDbContext\u30af\u30e9\u30b9\u306eOnModelCreating\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3001\u305d\u306e\u4e2d\u3067\u5b9a\u7fa9\u3092\u3057\u307e\u3059\u3002 \u4e0b\u8a18\u306b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Foooomincrypto.hatenadiary.jp%2Fentry%2F2022%2F04%2F24%2F200855\" title=\"EFCore\u306eHasIndex\u30e1\u30bd\u30c3\u30c9\u3092\u7528\u3044\u3066DB\u306e\u30ab\u30e9\u30e0\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\uff01 - \u304a\u30fc\u307f\u3093\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}