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The CONTROL_FILE_RECORD_KEEP_TIME initialization parameter should be set to what value?
(Choose all that apply.)
A. The initialization parameter should be set to 0 when the RMAN repository is being used.
B. The initialization parameter should be set to greater than 0 with the RMAN repository utilizing the recovery catalog only.
C. The initialization parameter should be set to greater than 0 with the RMAN repository utilizing the control file or the recovery catalog.
D. The initialization parameter should be set to 0 with the RMAN repository utilizing the control file or the recovery catalog.
E. The initialization parameter should never be set to 0 if you are using RMAN.

　　The CONTROL_FILE_RECORD_KEEP_TIME initialization parameter should never be set to 0 if you are using RMAN.If this value is 0,there is a potential to lose backup records.

053-598

原文：http://www.cnblogs.com/Babylon/p/7810709.html