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?（）

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.

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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

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