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Here’s some copy-pastable commands for creating SQL Server Express LocalDb instances:
"C:\Program Files\Microsoft SQL Server\110\Tools\Binn\SqlLocalDB.exe" create "v11.0" 11.0 -s "C:\Program Files\Microsoft SQL Server\120\Tools\Binn\SqlLocalDB.exe" create "v12.0" 12.0 -s "C:\Program Files\Microsoft SQL Server\130\Tools\Binn\SqlLocalDB.exe" create "v13.0" 13.0 -sYou may also want to create a mssqlLocalDb instance:
"C:\Program Files\Microsoft SQL Server\130\Tools\Binn\SqlLocalDB.exe" create "MSSQLLocalDb" -s (omitting the version number defaults to the latest version) Test it outTo test a LocalDb instance connect to (localdb)\v13.0 using SQL Server Management Studio or a similar tool, modifying as necessary to match the instance name.
CreditCredit to http://www.khalidabuhakmeh.com/initializing-localdb-v12-0-even-after-installing-sql-express-2014 for the strategy.