多项选择题

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

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多项选择题

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

多项选择题

What elements of globalization can be explicitly defined using the NLS_LANG environment variable?（）

A. NLS_LANGUAGE
B. NLS_SORT
C. NLS_CALENDAR
D. NLS_CHARACTERSET
E. NLS_TERRITORY