Dapper with C#
Dapper with C#
Dapper is best used when you prioritize max performance and total control over SQL. While Entity Framework (EF) Core is a feature-rich Object-Relational Mapper (ORM) designed for productivity, Dapper is a "micro-ORM" that provides a thin, high-speed layer over ADO.NET.
Key Reasons to Choose Dapper Over EF Core
- Superior Performance: Dapper has minimal overhead because it does not perform change tracking, LINQ-to-SQL translation, or complex entity materialization. Benchmarks often show Dapper is significantly faster, especially for large datasets or high-frequency read operations.
- Full SQL Control: You write raw SQL directly, giving you complete flexibility to use database-specific features like Common Table Expressions (CTEs), window functions, or specialized joins that might be difficult to express in LINQ.
- Reduced Memory Allocation: Because it lacks the heavy state-management infrastructure of EF Core, Dapper typically consumes less memory per operation.
- Seamless Integration with Stored Procedures: Dapper handles stored procedures natively without the configuration constraints or conventions often required by EF Core.
- Handling Legacy Databases: In environments with complex, poorly designed schemas or extensive existing stored procedures, Dapper is often easier to implement than trying to map a strict EF Core model to the legacy structure
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