單項(xiàng)選擇題

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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多項(xiàng)選擇題

The NLS_SORT parameter sets the default sort method for which of the following operations?（）

A. WHERE clause WHERE
B. ORDER BY clause
C. BETWEEN clause
D. NLSSORT function
E. NLS_SORT function

多項(xiàng)選擇題

Given two different character sets (A and B), which of the following must be true for A to be considered a strict superset of B?（）

A. A must contain all of the characters defined in B
B. A must be Unicode
C. The encoded values in A must match the encoded values in B for all characters defined in B
D. A must be a multibyte character set
E. The encoded values in A must match the encoded values in B for all numeric and alphabetic characters in B