SQLLOCALDB.exe

 

SQLLOCALDB is a utility to install the instance of SQL Server express LocalDB, it’s a command line tool which allow the developers to install and manage the instance of SQL Server express LocalDB

SqlLocalDB.exe have multiple arguments to pass i.e Create,Delete,Start, Stop etc.

Example:

sqlLocalDB.exe create "Organization" 

Above command will create the SQL server instance named Organization

for more details, please visit link

https://msdn.microsoft.com/en-us/library/hh212961.aspx