单选题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 VARCHAR2B CHARC NVARCHAR2D CLOBE LONG
题目
单选题
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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参考答案和解析
正确答案：
A
解析：
暂无解析