CREATE TABLE AutoincrementTable ( Id INTEGER PRIMARY KEY AUTOINCREMENT, Value INTEGER NOT NULL ); using System; using System.Data; using System.Data.SQLite; using System.Diagnostics; using System.Linq; using Dapper; namespace ConsoleApplication2 { internal class Program { private const int InsertCount = 1000000; private const string FileName = "Test.db3"; private static void Main(string[] args) {
![SQLiteで主キーにAUTOINCREMENTを指定すると遅くなる - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/8b7bf35b825b3454ac461f54c8e212323f78719c/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk3MiZoPTM3OCZ0eHQ9U1FMaXRlJUUzJTgxJUE3JUU0JUI4JUJCJUUzJTgyJUFEJUUzJTgzJUJDJUUzJTgxJUFCQVVUT0lOQ1JFTUVOVCVFMyU4MiU5MiVFNiU4QyU4NyVFNSVBRSU5QSVFMyU4MSU5OSVFMyU4MiU4QiVFMyU4MSVBOCVFOSU4MSU4NSVFMyU4MSU4RiVFMyU4MSVBQSVFMyU4MiU4QiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTU2JnM9MzRiMWEwNWFhNWFjNWM1NWU4NjY5NDNjZWE4NmQ2Njg%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBUb2tlaXlhJnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9MzYmdHh0LWFsaWduPWxlZnQlMkN0b3Amcz01ODM1ZTkxYjY5ZmFhZTZhNmNlZDAzMTJlY2VhYjQ3MA%26blend-x%3D142%26blend-y%3D486%26blend-mode%3Dnormal%26s%3Db37eabe58b57df84a8bcb105e10c5949)