哪有黄油
发表于 2025-3-25 06:15:20
EntitiesEntities are the focus of Entity Framework Core 5. An entity is an object that maps to one or more tables in a database. Entity Framework Core 5 uses a code-first approach. This means that you create your entities and Entity Framework will generate the database schema to store your entity data.
套索
发表于 2025-3-25 07:39:34
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Chronological
发表于 2025-3-25 14:34:09
Inserting DataNow that we learned how to retrieve data from our database using Entity Framework Core 5, let us look at how to insert new data into our database. I will cover how to insert into a table and its child tables by the use of its navigation properties.
轻率看法
发表于 2025-3-25 16:50:45
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庄严
发表于 2025-3-25 20:03:12
AggregationsEntity Framework Core 5 includes several ways to aggregate your data. In this chapter, I will be covering count, min, max, average, sum, and group by. The group by clause is often used in conjunction with the aggregation operations. I will cover the simple operators first and then show how to use them with group by.
发展
发表于 2025-3-26 03:34:02
MigrationsIn this chapter, I will cover how migrations work in Entity Framework Core 5. A migration allows you to version database changes in your application. I will cover how you can add and run migrations. I will also cover how you can update to a given database version or revert to a previous migration.
arcane
发表于 2025-3-26 06:51:04
Authentication on the WebIn this chapter, I will cover how to set up authentication on our ASP.NET Core MVC application. Our users will be stored in our SQL Server database, and Entity Framework Core 5 will be used to access it.
木讷
发表于 2025-3-26 11:42:25
Eric VogelIntroduces important new features that are part of Entity Framework Core 5.Covers the core features (including CRUD operations) that every developer needs.Leaves readers with a working prototype on wh
Costume
发表于 2025-3-26 13:16:56
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Guaff豪情痛饮
发表于 2025-3-26 17:53:33
https://doi.org/10.1007/978-3-658-30523-9ontext class allows you to interface with your database store. Through DbContext, you can perform create, read, update, and delete operations. In addition, you can perform aggregations such as sum, max, average, and count.