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Oracle认证考试

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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
正确答案:C
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