（20）Which three statements are true regarding the data types in Oracle Database 10g/11g? (Choose three.)

A. Only one LONG column can be used per table.

B. A TIMESTAMP data type column stores only time values with fractional seconds.

C. The BLOB data type column is used to store binary data in an operating system file.

D. The minimum column width that can be specified for a VARCHAR2 data type column is one.

E. The value for a CHAR data type column is blank-padded to the maximum defined column width

答案：（A、D、E）

解析：

C（X），应该为BFILE

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Oracle Certificate Profession 1Z0-051-20