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Which statement is true about loading data using the conventional path of SQL*Loader（）
A:Redo is not generated while performing conventional path loads.
B:Only PRIMARY KEY， UNIQUE KEY， and NOT NULL constraints are checked.
C:No exclusive locks are acquired when the conventional path loads are performed.
D:Instead of performing transactions， SQL*Loader directly writes data blocks to the data files.
E:INSERT triggers are disabled before the conventional path load and reenabled at the end of the load.

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出自：Oracle认证

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