Dapper

Dapper is a lightweight, high-performance micro-ORM (Object Relational Mapper) for the .NET framework, designed for applications requiring fast and direct control over SQL queries. Developed by the Stack Overflow team, it provides a simple API to map SQL query results to .NET objects with…

Key facts

First appeared: 2011
Category: technology
Problem solved: Dapper was created to address the performance overhead and lack of granular control often experienced with full-fledged ORMs like Entity Framework or NHibernate when dealing with complex or high-volume data access scenarios. It provides a simple, fast, and flexible way to execute raw SQL queries and map results to .NET objects, solving the impedance mismatch without sacrificing performance.
Platforms: Xamarin (via .NET), .NET 5+, .NET Framework, .NET Core

Related technologies

ASP.NET (Core)
PostgreSQL
.NET Framework
C#
SQL Server
MySQL
.NET Core
ADO.NET
SQLite

Notable users

Microsoft (in various projects)
Stack Overflow
Many startups and enterprises requiring high-throughput data access in .NET