The RDB$GRANTED_PROFILES system table contains information
    about each profile, and role granted to other roles and users.
    The following table provides information on the columns of
    the RDB$GRANTED_PROFILES system table. See also the related
    RDB$PROFILES system table.

                                Data
    Column Name                 Type      Summary Description

    RDB$GRANTEE_PROFILE_ID      integer   This is a unique identifier
                                          generated for the parent
                                          RDB$PROFILES row.
    RDB$PROFILE_TYPE            integer   Class of profile
                                          information: role (1),
                                          default role (2), profile
                                          (0).
    RDB$PROFILE_ID              integer   Identification of the
                                          profile or role granted
                                          to this user.