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/ac91c0ae7a120703f0cb09678cc076346866a88a/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-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9U1FMaXRlJUUzJTgxJUE3JUU0JUI4JUJCJUUzJTgyJUFEJUUzJTgzJUJDJUUzJTgxJUFCQVVUT0lOQ1JFTUVOVCVFMyU4MiU5MiVFNiU4QyU4NyVFNSVBRSU5QSVFMyU4MSU5OSVFMyU4MiU4QiVFMyU4MSVBOCVFOSU4MSU4NSVFMyU4MSU4RiVFMyU4MSVBQSVFMyU4MiU4QiZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTU2JnR4dC1jbGlwPWVsbGlwc2lzJnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9NjdhYWFiOGVhMWI3YjE5YWE4YzE0NTUyOTE1NTY0Y2M%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwVG9rZWl5YSZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9M2Q4NWRiNzU0NjgyNzYxN2M2NjU2ODljZmU3MjM0MGM%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3D6af7b72925d74d992f3ef6acadb35749)