The complex type attribute denotes the class as a complex type. The complex type is a class, which is similar to an entity, but with few differences. The Complex Types are not available in EF Core.
Data Annotations Complex Type Attribute in EF Core Read More »
The Key Attribute or Primary key attribute maps the property as the primary key column in the database. This attribute is applicable to both Entity Framework & Entity Framework Core. In Entity Framework, we can use it to create Composite Primary key, while in EF Core it is not supported.
Entity framework uses Code first conventions to name columns after the property names. You can override this behavior using the Column Attribute
Table attribute overrides the code first convention, which creates the table with the name same as the class Name. This attribute is applied to the class
The Data Annotations in Entity Framework are used to decorate the properties. These attributes help EF to apply pre-defined rules on entity models
