A.displays only the list of default values
B.displays only the list of all basic parameters
C.displays the currently in effect parameter values
D.displays only the list of all advanced parameters
E.displays the list of all the parameter files of a database

A.Indexes and views can be created on temporary tables.
B.Both the data and the structure of temporary tables can be exported.
C.Temporary tables are always created in a user’s temporary tablespace.
D.The data inserted into a temporary table in a session is available to other sessions.
E.Data manipulation language （DML） locks are never acquired on the data of temporary tables.