db.data.frame
creates a db.data.frame
object.
as.db.data.frame
converts db.Rquery
object,
data.frame
, or a data file into a db.data.frame
object
and at the same time creates a new table in the database.
'>db.data.frame
and '>db.Rquery
are the sub-classes.
lk
or lookat
displays a part of the table