单项选择题
In a database with the database character set of US7ASCII and a national character set of UTF-8, which datatypes would be capable of storing Unicode data by default?（）
A. VARCHAR2
B. CHAR
C. NVARCHAR2
D. CLOB
E. LONG
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单项选择题
What can you determine about the following linguistic sorts based only on their names?（） 1. GERMAN 2. FRENCH_M multilingual
A. 1 is a monolingual sort.
B. 2 is a monolingual sort.
C. 1 is case insensitive.
D. Both 1 and 2 are case insensitive.
E.Case sensitivity is unknown. -
单项选择题
NLS parameters can be set using the five methods listed. Put the methods in order from highest to lowest according to Oracles order of precedence: （） a. Default setting b. Client environment variable c. Explicit ALTER SESSION statement d. Inside SQL function e. Server initialization parameter
A. b, d, e, a, c
B. e, a, b, c, d
C. d, c, b, e, a
D. a, b, d, c, e
E. d, c, b, a, e -
多项选择题
Which of the following are valid settings for the NLS_COMP parameter?（）
A. ASCII
B. ANSI
C. BINARY
D. MONOLINGUAL
E. MULTILINGUAL
