Which of the following are valid settings for the NLS_COMP parameter?（）

Which of the following datatypes store time-zone information in the database?（）

A. TIMESTAMP
B. DATE
C. TIMESTAMP WITH TIME ZONE
D. TIMESTAMP WITH LOCAL TIME ZONE
E. DATETIME

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Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY,and NLS_CHARACTERSET parameters?（）

A. V$VALID_NLS_VALUES
B. NLS_VALID_VALUES
C. NLS_VALUE_OPTIONS
D. V$NLS_VALUE_OPTIONS
E. V$NLS_VALID_VALUES

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