dbCreate(dbName, type = c("DB", "RDS"))
dbInitialize(dbName, type = c("DB", "RDS"))dbCreate creates the necessary files for the database and
returns TRUE upon success. If those files already exist, they
are overwritten with a warning. dbInitialize takes a database name and returns an object of
class "filehash".
The type argument specifies how the database should be stored
on the disk, either as a single file ("DB") or as a collection of
files in a directory ("RDS").
filehash-class more information and examples.