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

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

出自：Oracle认证

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