1  –  asterisk

    *

    Displays the current database root (.rdb) file specification.

2  –  SPECIFICATION

    Displays the current .rdb file specification for the database.

3  –  USER

    Displays the current recovery-unit journal (.ruj) file
    specification for a user of the database. The USER parameter
    with no qualifier results in all users being displayed; the
    USER parameter with the * qualifier results in all users being
    displayed; and the USER parameter with the n qualifier results in
    a specific user being displayed, where n is a valid user number.