sqllocaldb info MSSQLLocalDB
sqllocaldb stop MSSQLLocalDB sqllocaldb delete MSSQLLocalDB sqllocaldb create MSSQLLocalDB SQL Server Express LocalDB is the ideal development and testing database for Windows-based .NET applications. It offers the full power of SQL Server without service installation overhead. However, it should never be used in production due to concurrency and resource limitations. sql server express localdb
// Using DataDirectory macro (ASP.NET) "Server=(localdb)\MSSQLLocalDB;Integrated Security=true;AttachDbFileName=|DataDirectory|AppData.mdf;" using Microsoft.Data.SqlClient; string connString = @"Server=(localdb)\MSSQLLocalDB;Integrated Security=true;"; using var conn = new SqlConnection(connString); conn.Open(); // Using DataDirectory macro (ASP
❌ Production web apps, multi-user desktop apps, high concurrency, or cross-machine connections. 4. Working with LocalDB – Practical Examples 4.1 Create/Manage Instances (via SqlLocalDB.exe ) # List existing instances sqllocaldb i Create a named instance sqllocaldb create "MyInstance" Start the instance sqllocaldb start "MyInstance" Get connection string (for .\MyInstance) sqllocaldb info "MyInstance" 4.2 Connection Strings // Automatic instance (default) "Server=(localdb)\\MSSQLLocalDB;Integrated Security=true;" // Named instance with attached MDF file "Server=(localdb)\MyInstance;Integrated Security=true;AttachDbFileName=C:\Data\MyDB.mdf;" " using Microsoft.Data.SqlClient