Entity Framework Core Interview Question #157
What is entity splitting in EF Core?
Advanced Mapping, Interceptors, Value Conversions & Architecture Senior Advanced
Quick Interview Answer
Entity splitting maps properties of one entity across multiple tables. It can be useful with legacy schemas or when one conceptual entity is physically divided across tables. It increases mapping complexity and should be used when the database design requires it rather than as a default modeling technique.
Detailed Explanation
Entity splitting maps properties of one entity across multiple tables. It can be useful with legacy schemas or when one conceptual entity is physically divided across tables. It increases mapping complexity and should be used when the database design requires it rather than as a default modeling technique.
Code Example
// Conceptual mapping:
// Product core fields -> Products
// Product audit fields -> ProductAudit
// Configure table fragments with the supported
// mapping API for the EF Core version in use.