You executed the following command in Recovery Manager (RMAN): RMAN> RESTORE CONTROLFILE; Which operation must you perform before this command is executed?()
A. back up the control file to trace
B. bring database to the MOUNT state
C. open a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target database
D. set the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog
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加气站的火灾危险性不包括()。
A. 泄漏引发事故
B. 高压运行危险性大
C. 存在多种引火源
D. 工作人员操作不当
收付通指客户作为信用证受益人或保付加签汇票受益人,将开证行已承兑/已承诺付款的信用证应收账款,或跟单托收项下银行已保付加签的应收账款,转让给农业银行申请办理()业务。
A. 应收账款类
B. 应付账款类
C. 流动资金贷款
D. 财务顾问