Entity Framework Core\u306f.NET Entity Framework\u306edotnet core\u7248\u3002<\/p>\n\n\n\n
\u5fc5\u8981\u30d1\u30c3\u30b1\u30fc\u30b8<\/p>\n\n\n\n
1,2\u306f\u5fc5\u9808\u3067\u30012\u306f\u5b9f\u969b\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u30c9\u30e9\u30a4\u30d0\u3002\u4f8b\u3048\u3070\u3001MS SQL Server\u306a\u3089\u3001Microsoft.EntityFrameworkCore.SqlServer,MySQL\u306a\u3089\u3001Pomelo.EntityFrameworkCore.MySql(\u672c\u5bb6Oracle\u306e\u30c9\u30e9\u30a4\u30d0\u306f\u5b9f\u884c\u6642\u30a8\u30e9\u30fc\u304c\u51fa\u305f-\u3082\u3046\u3001\u76f4\u3063\u305f\u304b\u306a?)\u7b49\u3002<\/p>\n\n\n\n
3,4\u306fC#\u30b3\u30fc\u30c9\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u3092\u30b8\u30a7\u30cd\u30ec\u30fc\u30c8\u3059\u308b\u306e\u306b\u5fc5\u8981\u3002<\/p>\n\n\n\n
\u306a\u304a\u3001Entity Framework\u95a2\u9023\u306eMigration\u7b49\u3092\u884c\u3046\u5834\u5408\u3001\u6700\u521d\u306b\u4e0b\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001dotnet-ef\u30c4\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n
dotnet tool install --global dotnet-ef<\/code><\/pre>\n\n\n\nEntity\u3084DbContext\u7b49\u306e\u5b9a\u7fa9\u306f.NET Framework\u7248\u3068\u307b\u307c\u540c\u69d8\u3060\u304c\u3001DB\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u30b3\u30fc\u30c9\u304c\u5fc5\u8981\u3002
\u901a\u5e38\u306fDbContext\u304b\u3089\u6d3e\u751f\u3055\u305b\u305f\u30af\u30e9\u30b9\u306e\u3001OnConfiguring\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3066
\u63a5\u7d9a\u5148\u306a\u3069\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n
using Microsoft.EntityFrameworkCore;\nusing Microsoft.EntityFrameworkCore.SqlServer;\n\u30fb\u30fb\u30fb\n public class PersonDb : DbContext {\n \u30fb\u30fb\u30fb\n protected override void OnConfiguring(DbContextOptionsBuilder builder) {\n builder\n .UseSqlServer(<\u63a5\u7d9a\u6587\u5b57\u5217>);\n }\n }\n}<\/code><\/pre>\n\n\n\n\u4e0a\u8a18\u306f\u3001MS SQL Server\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u3002
UseSqlServer\u306e\u90e8\u5206\u304c\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u3067\u3001\u4f7f\u7528\u3059\u308b\u30d7\u30ed\u30d0\u30a4\u30c0\u306b\u3088\u308a\u7570\u306a\u308b\u3002<\/p>\n\n\n\n
DbContext\u3068Entity\u5b9a\u7fa9\u306e\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u3066\u3001\u4e0b\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u6307\u5b9a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e0a\u306b\u30c6\u30fc\u30d6\u30eb\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002<\/p>\n\n\n\n
dotnet ef migrations add <\u30d0\u30fc\u30b8\u30e7\u30f3\u7b49\u5206\u304b\u308a\u3084\u3059\u3044\u540d\u524d>\ndotnet ef database update<\/code><\/pre>\n\n\n\n\u203b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u4f5c\u6210\u3057\u3066\u304a\u304f\u5fc5\u8981\u3042\u308a(?)<\/p>\n\n\n\n
\u3061\u306a\u307f\u306b\u3001\u65e2\u5b58\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u3001DbContext\u3068Entity\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b\u4e8b\u3082\u53ef\u80fd\u3002<\/p>\n\n\n\n
dotnet ef dbcontext scaffold <\u63a5\u7d9a\u6587\u5b57\u5217> <\u30d7\u30ed\u30d0\u30a4\u30c0>
\u4f8b)
dotnet ef dbcontext scaffold “Data Source=\u30fb\u30fb\u30fb” Microsoft.EntityFrameworkCore.SqlServer<\/p>\n\n\n\n
\u4e0a\u8a18\u306b\u3088\u308aDbContext\u3092\u542b\u3093\u3060\u30bd\u30fc\u30b9,Entity\u6bce\u306e\u30bd\u30fc\u30b9\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Entity Framework Core\u306f.NET Entity Framew … \u7d9a\u304d\u3092\u8aad\u3080