Which two data types can be converted to LOBs using an ALTER TABLE… MODIFY command？（）A、RAWB、LONGC、VARCHARD、LONG RAW

题目

Which two data types can be converted to LOBs using an ALTER TABLE… MODIFY command？（）

A、RAW
B、LONG
C、VARCHAR
D、LONG RAW

参考答案和解析

正确答案:B,D

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