REALSQLdatabase.DatabaseFile

From Xojo Documentation

Property (As FolderItem )
aREALSQLdatabase.DatabaseFile = newFolderItemValue
or
FolderItemValue = aREALSQLdatabase.DatabaseFile

Supported for all project types and targets.

Specifies the FolderItem for the REALSQLdatabase file. If DatabaseFile is Nil, calling the Connect method creates an in-memory database.