[单选]
At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date.
What might be the problem？（）

A . Because a proper range of SCNs was not specified， the wrong data was restored.
B . A proper range of timestamps was not specified， so the wrong data was restored.
C . A previous Flashback Drop operation had been performed， resulting in multiple versions of the table being stored in the Recycle Bin.
D . Either option A or B could be correct. Not enough information was provided to determine which.
E . None of the above.

Given: What is the result?（） test。 Exception。 Compilation fails.。 NullPointerExceptio。体育教学中学生产生错误动作的原因之一是教育心理因素，其主要表现在学生的（）和（）没有达到相应的水平等。课外活动的特点包括（）自愿性。基础性。广泛性。自主性。多样性。 A recent power outage disrupted customer operations in one of the two campus centers. Thecustomer has already started to develop a strategy for consolidation of the data centers andremote backup at a colocation facility, but current and near-term budgets are focused only oncapacity growth at lowest cost. Which of the following capabilities might be immediately attractiveto the customer?（） DS8700 with remote mirroring 。 V7000 with Easy Tier and SSD 。 SVC VDisk mirroring with stretch clusters 。 UPS power backup to the racks with current storage controller。下列材料中，属于土工复合材料的是（）土工格栅。土工网。土工管。软式排水管。

At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date.
What might be the problem？（）

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[单选] At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date. What might be the problem？（）

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[单选]
At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date.
What might be the problem？（）