You issued the following statement:   SQL> ALTER SESSION SET NLS_LANG=FRENCH_CANADA.WE8ISO8859P1;   Which parameter is NOT overridden by using the above statement?()  
A: the value of the NLS_LANGUAGE variable
B: the value of the NLS_TERRITORY variable
C: the value of the NLS_CURRENCY variable
D:the character encoding scheme used by the client application
出自:Oracle认证