null
sys_guid
returns a Globally Unique Identifier (aka GUID or UUID). power
width_bucket
round
, round_ties_to_even
, trunc
, floor
, ceil
json_table
. scn_to_timestamp
ora_rowscn
(which is not technically a function but a pseudocolumn) ora_database_name
is a synonym for dbms_standard.database_name
and possibly evaluates to the same value as sys_context('userenv', 'db_name')
.