本文解析了数据库点时间恢复的限制条件，指出无需归档日志备份即可进行点时间恢复，但目标数据库必须处于NOARCHIVELOG模式，并强调了在进行重命名表空间操作后无法再执行之前该操作的时间点的恢复。
（365）Which of the following restrictions are not true with respect to tablespace point-in-time recovery?(Choose all that apply.)
A. The target database must be in NOARCHIVELOG mode.
B. No backup is required of the database before you perform a TSPITR.
C. You must have all archived redo logs generated since the last backup up to the point to which you want to restore the transport set.
D. If you rename a tablespace,you can not perform a TSPITR to any point in time before that rename operation occurred.
E. If you have tables in tablespace_1 that have associated constraints in tablespace_2,then you must transport both tablespaces.
答案：（A、B）
来自 “ ITPUB博客 ” ，链接：http://blog.itpub.net/17013648/viewspace-1283171/，如需转载，请注明出处，否则将追究法律责任。
转载于:http://blog.itpub.net/17013648/viewspace-1283171/
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