Mssql Local Db Online

LocalDB is not a separate product from SQL Server; it is an execution mode of SQL Server Express. Its primary goal is to allow developers to write and test Transact-SQL code without having to manage a full-blown database server instance.

You can even attach a database once and have all shared users see it: mssql local db

SqlLocalDB share "SharedInstance" "SharedInstanceName" LocalDB is not a separate product from SQL