Enter . If you build .NET applications (or any app needing a real SQL Server), this tool is a hidden gem you need in your toolbox. What is SqlLocalDb? SqlLocalDb is a lightweight, user-mode instance of SQL Server Express. It was introduced with SQL Server 2012 LocalDB.
As developers, we love local development environments —no network latency, no connection strings with passwords, and zero risk of accidentally deleting production data. sqllocaldb
Server=(localdb)\MyEcommerceApp;Database=MyShopDb;Trusted_Connection=true; "ConnectionStrings": "DefaultConnection": "Server=(localdb)\\MyEcommerceApp;Database=MyShopDb;Trusted_Connection=true;" no connection strings with passwords