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Merge relational and regular table docs
* Merged modeling/relational/tables and modeling/relational/default-schema into modeling/included-types and renamed to types-and-tables. * Show DataAnnotation/FluentAPI as tabs Part of #1669
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--- | ||
title: Entity Types - EF Core | ||
description: How to configure and map entity types using Entity Framework Core | ||
author: roji | ||
ms.date: 12/03/2019 | ||
ms.assetid: cbe6935e-2679-4b77-8914-a8d772240cf1 | ||
uid: core/modeling/entity-types | ||
--- | ||
# Entity Types | ||
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Including a DbSet of a type on your context means that it is included in EF Core's model; we usually refer to such a type as an *entity*. EF Core can read and write entity instances from/to the database, and if you're using a relational database, EF Core can create tables for your entities via migrations. | ||
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## Including types in the model | ||
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By convention, types that are exposed in DbSet properties on your context are included in the model as entities. Entity types that are specified in the `OnModelCreating` method are also included, as are any types that are found by recursively exploring the navigation properties of other discovered entity types. | ||
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In the code sample below, all types are included: | ||
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* `Blog` is included because it's exposed in a DbSet property on the context. | ||
* `Post` is included because it's discovered via the `Blog.Posts` navigation property. | ||
* `AuditEntry` because it is specified in `OnModelCreating`. | ||
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[!code-csharp[Main](../../../samples/core/Modeling/Conventions/EntityTypes.cs?name=EntityTypes&highlight=3,7,16)] | ||
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## Excluding types from the model | ||
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If you don't want a type to be included in the model, you can exclude it: | ||
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### [Data Annotations](#tab/data-annotations) | ||
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[!code-csharp[Main](../../../samples/core/Modeling/DataAnnotations/IgnoreType.cs?highlight=20)] | ||
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### [Fluent API](#tab/fluent-api) | ||
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[!code-csharp[Main](../../../samples/core/Modeling/FluentAPI/IgnoreType.cs?highlight=12)] | ||
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*** | ||
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## Table name | ||
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By convention, each entity type will be set up to map to a database table with the same name as the DbSet property that exposes the entity. If no DbSet exists for the given entity, the class name is used. | ||
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You can manually configure the table name: | ||
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### [Data Annotations](#tab/data-annotations) | ||
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[!code-csharp[Main](../../../samples/core/Modeling/DataAnnotations/Relational/Table.cs?highlight=11)] | ||
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### [Fluent API](#tab/fluent-api) | ||
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[!code-csharp[Main](../../../samples/core/Modeling/FluentAPI/Relational/Table.cs?highlight=11-12)] | ||
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*** | ||
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## Table schema | ||
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When using a relational database, tables are by convention created in your database's default schema. For example, Microsoft SQL Server will use the `dbo` schema (SQLite does not support schemas). | ||
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You can configure tables to be created in a specific schema as follows: | ||
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### [Data Annotations](#tab/data-annotations) | ||
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[!code-csharp[Main](../../../samples/core/Modeling/DataAnnotations/Relational/TableAndSchema.cs?name=Table&highlight=1)] | ||
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### [Fluent API](#tab/fluent-api) | ||
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[!code-csharp[Main](../../../samples/core/Modeling/FluentAPI/Relational/TableAndSchema.cs?name=Table&highlight=2)] | ||
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*** | ||
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Rather than specifying the schema for each table, you can also define the default schema at the model level with the fluent API: | ||
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[!code-csharp[Main](../../../samples/core/Modeling/FluentAPI/Relational/DefaultSchema.cs?name=DefaultSchema&highlight=7)] | ||
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Note that setting the default schema will also affect other database objects, such as sequences. |
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...ore/Modeling/Conventions/IncludedTypes.cs → .../core/Modeling/Conventions/EntityTypes.cs
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