单选题You have issued the following command： RMANCONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 100 DAYS； What will be the result of using the above command？（）A The backup metadata will be maintained in the control file for 100 days.B The backup metadata will be maintained in the recovery catalog for 100 days.C The backup metadata will be maintained in the flash recovery area for 100 days.D After 100 days， the backup sets and image copies will be deleted from the media.
单选题
You have issued the following command： RMAN>CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 100 DAYS； What will be the result of using the above command？（）
A
The backup metadata will be maintained in the control file for 100 days.
B
The backup metadata will be maintained in the recovery catalog for 100 days.
C
The backup metadata will be maintained in the flash recovery area for 100 days.
D
After 100 days， the backup sets and image copies will be deleted from the media.
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