An RMAN backup job fails, displaying the following error: ORA19809: limit exceeded for recovery files Your analysis shows that the Flash Recovery area is full. Which two actions could you take to resolve the error and avoid this error in future?()
A. take the backup of the flash recovery area less frequently
B. increase the value of the UNDO_RETENTION initialization parameter
C. change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTO
D. change the backup retention policy to retain the backups for a smaller period of time
E. increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameter
F. increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter
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银行为充分利用资源,提高盈利水平,尽可能采取措施,降低()的比重。
A. 高价值客户
B. 微利客户
C. 保本客户
D. 亏损客户
测温仪表超过规定的检定、检修期限,且逾期仍未更换则该压力容器()使用。
A. 整改后
B. 停止
C. 暂停
晶片直径D=20mm的直探头,在钢中测得其零辐射角为10°,该探头探测频率约为()
A. 2.5MHZ
B. 5MHZ
C. 4MHZ
D. 2MHZ
各级商务主管部门应将跨境人民币直接投资批复文件及时抄送同级()等部门。
A. 海关
B. 外汇
C. 税务
D. 工商
E. 人民银行