警告

This documentation is for EF7 onwards. For EF6.x and earlier release see http://msdn.com/data/ef. 本文档是基于EF7版本.对于EF6.x及更早的版本请参见 http://msdn.com/data/ef.

注解

The configuration in this section is applicable to relational databases in general. The extension methods shown here will become available when you install a relational database provider (due to the shared EntityFramework.Relational package).

Relational Database Modeling

This section covers aspects of modeling that are specific to relational databases.

• Table Mapping
• Column Mapping
• Data Types
• Primary Keys
• Default Schema
• Computed Columns
• Sequences
• Default Values
• Indexes
• Foreign Key Constraints
• Alternate Keys (Unique Constraints)
• Inheritance (Relational Database)