Titlebook: Beginning Entity Framework Core 5; From Novice to Profe Eric Vogel Book 2021 Eric Vogel 2021 Entity Framework..NET Core..NET.SQL Server.ASP

哪有黄油

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

Chronological

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

庄严

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

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

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

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

Guaff豪情痛饮

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.