单选题After a number of days set by the parameter CONTROL_FILE_RECORD_KEEP_TIME， the information in the control file is overwritten by RMAN. What is this parameter’s default value？（）A 1 dayB 5 daysC 7 daysD 31 days
题目
单选题
After a number of days set by the parameter CONTROL_FILE_RECORD_KEEP_TIME， the information in the control file is overwritten by RMAN. What is this parameter’s default value？（）
A
1 day
B
5 days
C
7 days
D
31 days