为自己加油

Which two statements are true about time zones, date data types, and timestamp data types
In an Oracle database?

A.The DBTIMEZONE function can return an offset from Universal Coordinated Time(UTC.
B.A TIMESTAMP WITH LOCAL TIMEZONE data type column is stored in the database using
The time zone of the session that inserted the row
C.The CURRENT TIMESTAMP function returns data without time zone information
D.The  SESSIONTIMEZONE  function  can  return  an  offset  from  Universal  Coordinated
Time(UTC.
E.The DATE datatype returns data with time zone information