Hello,
I have tried the following:
create table TEST_FBI
(
UNIQUE_ID NUMBER(16)
);
create index FBI on TEST_FBI bitand(UNIQUE_ID, 4);
create index FBI2 on TEST_FBI decode(BITAND(UNIQUE_ID,4), 0, 1, NULL);
in
PL/SQL Developer Version 6.0.4.906 (MBCS)
Windows XP version 6.0 (build 2600) Service...