A developer calls and reports that he accidentally dropped an important lookup table from a production database. He needs the table to be recovered. What action would you take?()
A. Initiate an incomplete recovery operation using RMA
B. Copy the table from a development database.
C. Advise the user to rekey the data.
D. Perform a Flashback Drop operation.
E. Perform a Flashback Recovery operation.
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电解槽滤网更换周期为()
A. 3个月
B. 6个月
C. 1年
D. 1年半
《建设工程工程量清单计价规范》中规定,建筑工程的第一级分类码为()。
A. 01
B. 02
C. 03
D. 04
道观的主要殿堂中,供奉着道教四御的是()。
A. 灵宫殿
B. 三清殿
C. 山门殿
D. 玉皇殿