379.Users notify you that their application is failing every time they try to add new records. Because of
poor application design, the actual ORA error message is unavailable. What might be the problem?
(Choose the best answers.)
A. The application user has exceeded their undo quota.
B. The FLASHBACK GUARANTEE option is set on the undo tablespace.
C. The table is currently being queried by a Flashback Transaction Query operation.
D. The table is currently being queried by a Flashback Versions Query operation.
E. The RETENTION GUARANTEE option is set on the undo tablespace.
Answer: AE答案解析：
题问：用户通知你，他们的应用程序每次尝试添加新记录时失败。由于不好的应用设计，实际ORA错误信息不可用。可能是什么问题？
添加新纪录失败，可能是因为用户的undo配额已经溢出。
此题说明(Choose the best answers.)，故选A