You need to check the EMP_EAST partition in the EMPLOYEES table for physical corruptions. You also need to verify that the rows belong to the correct partition. Which option could you use?()
A. LogMiner
B. The DBNEWID utility
C. The DBVERIFY utility
D. The ANALYZE command
E. The RMAN REPORT command
F. The RMAN CROSSCHECK command.
G. The RMAN BLOCKRECOVER command.
《山西省煤矿现代化矿井标准》要求,采煤工作面设备配备应坚持()、性能可靠、环节配套的原则,实现区域自动化,具备自动检测、自动控制与互控功能,有利于实现矿井综合自动化。
定金的数额由当事人约定,但不得超过主合同标的额的()。
A. 15%
B. 20%
C. 25%
D. 30%
CI-TC为轨道电路通信接口板,用于实现和轨道电路设备的编码通信。
A. 正确
B. 错误