我是靠谱客的博主 奋斗橘子，这篇文章主要介绍4.Your test database is running in NOARCHIVELOG mode. Which statement is true regarding the type of，现在分享给大家，希望可以做个参考。
4.Your test database is running in NOARCHIVELOG mode.
Which statement is true regarding the type of backups that can be performed on the database?
A.You can perform online whole database backups.
B.You can perform offline whole database backups.
C.You cannot perform schema-level export/import operations.
D.You can perform the backup of only the SYSTEM tablespace when the database is open.
答案：B
解析：由于是非归档模式，做备份的时候只能冷备，因此A、D错误，可以执行expdp因此C错
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