You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference. Which method or feature should you use?()
A. Compare Period ADDM report
B. AWR Compare Period report
C. Active Session History (ASH) report
D. Taking a new snapshot and comparing it with a preserved snapshot
查看答案
确定工程承包合同的实际价格的是()。
A. 合同总价
B. 合同单价(对于单价合同)
C. 价格调整
D. 以上选项正确
加强对导、地线悬垂线夹承重轴磨损情况的检查,导地线振动严重区段应按()周期打开检查,磨损严重的应予更换。
A. 3月
B. 6个月
C. 1年
D. 2年