following globalization elements?
A. Languages for server messages
B. Day and month names and abbreviations
C. Symbols to represent a.m., p.m., AD, and BC
D. Affirmative and negative response strings (YES, NO)
E. None of the above
F. All of the above
Answer: F
参考：http://blog.csdn.net/rlhua/article/details/150209434
http://docs.oracle.com/cd/E11882_01/server.112/e10729/ch3globenv.htm#NLSPG199
NLS_LANGUAGE specifies the default conventions for the following session characteristics:
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Language for server messages
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Language for day and month names and their abbreviations (specified in the SQL functions TO_CHAR and TO_DATE)
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Symbols for equivalents of AM, PM, AD, and BC. (A.M., P.M., A.D., and B.C. are valid only if NLS_LANGUAGE is set to AMERICAN.)
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Default sorting sequence for character data when ORDER BY is specified. (GROUP BY uses a binary sort unless ORDER BY is specified.)
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Writing direction
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Affirmative and negative response strings (for example, YES and NO)