What is LocalDB used for?

Do I need LocalDB installed?

There is no need to create the instance; it just works. This feature allows for easy application installation and migration to a different computer. If the target machine has the specified version of LocalDB installed, the automatic instance of LocalDB for that version is available on the target machine as well.

Can LocalDB be used in production?

LocalDB is absolutely supported in production. From the performance point of view it is identical to SQL Server Express, as they share the same database engine. Now, for a site running in full IIS I would recommend using service-based instance of SQL Server Express.

When should you use a local database?

You can use local database to create a backup of the server database in order to access your information even if you don't have a reliable internet connection o make your app faster by not downloading data every single time you need it and using the one store locally.

How do I connect to a local database?

Use SSMS to Connect to the Local Default Instance1For Server Type it is Database Engine.2For the Server Name, we can simply use a dot (.) which will connect to the local default instance of SQL Server.3For the Authentication you can select Windows or SQL Server. ... 4Then click Connect.Use SQL Server Management Studio to Connect to Database