What is Dapper?

Question

What is Dapper?

Answer 1

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Answer 2

Dapper is a high-performance micro-ORM (Object-Relational Mapping) library for .NET and .NET Core. It is designed to provide fast data access while keeping the code simple and lightweight. Dapper sits between your application and the database, allowing you to map data from database queries into your application objects with minimal overhead.

Answer 3

Absolutely! Dapper is a high-performance micro-ORM (Object-Relational Mapping) library for .NET and .NET Core. It is designed to provide fast data access while keeping the code simple and lightweight. Dapper sits between your application and the database, allowing you to map data from database queries into your application objects with minimal overhead.

One of Dapper's key strengths is its speed. It's known for being significantly faster than many other ORMs due to its lightweight nature and its use of raw SQL queries. This can be particularly beneficial when dealing with performance-sensitive applications or scenarios where you need to handle a large amount of data.

When using Dapper, you write your SQL queries explicitly, which gives you more control over the data retrieval process. It's quite flexible and allows you to optimize your queries for performance by writing efficient SQL statements directly.

Here's a basic example of how you might use Dapper to retrieve data from a database in a .NET application:

using Dapper;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;

public class UserRepository
{
    private string _connectionString;

    public UserRepository(string connectionString)
    {
        _connectionString = connectionString;
    }

    public List<User> GetUsers()
    {
        using (IDbConnection db = new SqlConnection(_connectionString))
        {
            string query = "SELECT Id, Name, Email FROM Users";
            return db.Query<User>(query).ToList();
        }
    }
}

public class User
{
    public int Id { get; set; }
    public string Name { get; set; }
    public string Email { get; set; }
}

In this example, we have a simple UserRepository class that uses Dapper to retrieve a list of users from a database. The `Query` method takes a SQL query as input and maps the results to a list of User objects. This is just a basic illustration of how Dapper can be used to simplify data access in .NET applications.

If you have any specific questions or would like to explore any other aspects of Dapper further, feel free to let me know!