试题详情
- 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
- C
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A、VARCHAR2
B、CHAR
C、NVARCHAR2
D、CLOB
E、LONG
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