Which statement is true about loading data using the conventional path of SQL*Loader（）
- ARedo is not generated while performing conventional path loads.
- BOnly PRIMARY KEY， UNIQUE KEY， and NOT NULL constraints are checked.
- CNo exclusive locks are acquired when the conventional path loads are performed.
- DInstead of performing transactions， SQL*Loader directly writes data blocks to the data files.
- EINSERT triggers are disabled before the conventional path load and reenabled at the end of the load