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View the Exhibit and examine the attributes of an undo tablespace. In an OLTP system, the user SCOTT hasstarted a query on a large table in the peak transactional hour that performs bulk inserts. The query runs formore than 15 minutes and then SCOTT receives the following error:ORA-01555: snapshot too old What could be the reason for this error（）
A:The query is unable to get a read-consistent image.
B:There is not enough space in Flash Recovery Area.
C:There is not enough free space in the flashback archive.
D:The query is unable to place data blocks in undo tablespace

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出自：Oracle认证

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