In which scenario will you issue the following command?() SQL> RECOVER DATABASE UNTIL TIME ’2005-10-04 : 12:09:08’ USING BACKUP CONTROLFILE;
A. when all the control files are missing and only a binary backup of the current control file exists
B. when a multiplexed copy of the current control file is missing
C. when all the control files are missing and only a script containing the CREATE CONTROLFILE statement exists
D. when the SPFILE is missing
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天然无水石膏可用于生产()。
A. 高强度石膏
B. 无熟料水泥
C. 建筑石膏
液化石油气的饱和蒸气压随着()而逐渐增大。
A. 温度升高
B. 温度降低
C. 压力升高
D. 压力降低
我国行政处罚法规定,对当事人的同一违法行为,不得给予两次以上的罚款的处罚。
A. 正确
B. 错误