System Prievilieges

Hi !

Anybody has any ideas about the following System prievileges.
(taken from SQL.BSQ)

insert into SYSTEM_PRIVILEGE_MAP values (-194, 'WRITEDOWN DBLOW');
insert into SYSTEM_PRIVILEGE_MAP values (-195, 'READUP DBHIGH');
insert into SYSTEM_PRIVILEGE_MAP values (-196, 'WRITEUP DBHIGH');
insert into SYSTEM_PRIVILEGE_MAP values (-197, 'WRITEDOWN');
insert into SYSTEM_PRIVILEGE_MAP values (-198, 'READUP');
insert into SYSTEM_PRIVILEGE_MAP values (-199, 'WRITEUP')

What are these privilegess

WRITEDOWN DBLOW
READUP DBHIGH
WRITEUP DBHIGH
WRITEDOWN Received on Thu Jun 22 2000 - 15:45:09 CDT