OCP-1Z0-052-V8.02-94题

94. You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader direct

path load method to perform this task. The table in which you plan to load data is an important table

having various integrity constraints defined on it.

Which constraints will remain enabled by default during this operation? (Choose all that apply.)

A.CHECK

B.UNIQUE

C.NOT NULL

D.PRIMARY KEY

E.FOREIGN KEY

Answer: BCD

答案解析：

参考：http://blog.csdn.net/rlhua/article/details/12749863