单选题Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY,and NLS_CHARACTERSET parameters?（）AV$VALID_NLS_VALUESBNLS_VALID_VALUESCNLS_VALUE_OPTIONSDV$NLS_VALUE_OPTIONSEV$NLS_VALID_VALUES
单选题
Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY,and NLS_CHARACTERSET parameters?（）
A
V$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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