【多选题】影响钻时的因素很多,主要包括( )及人为因素的影响。
【单选题】You create an Oracle 10g database and configure the SPFILE as follows: SGA_TARGET=2G DB_CACHE_SIZE=512M LOG_BUFFER=50M DB_KEEP_CACHE_SIZE=128M You modify the SGA_TARGET initialization paramet...
A.
only the auto-tuned memory components
B.
only the memory components that are not auto-tuned
C.
both the auto-tuned memory components and the non-auto-tuned memory components
D.
neither the auto-tuned memory components nor the non-auto-tuned memory components
【多选题】三部门经济的有效需求决定模型中,()组成了总供给。
【单选题】What does the DB_FLASHBACK_RETENTION_TARGET parameter configure?()
A.
An upper limit on how far you can flash back the database, depending on the information in the redo logs
B.
An upper limit on how far you can flash back the database, depending on the information in the undo tablespace
C.
The amount of time for which the flashback data is to be kept in the flash recovery area, provided that there is enough space
D.
The amount of time for which the flashback data is guaranteed to be kept in the undo tablespace, provided that there is enough space
【判断题】三部门经济的有效需求决定模型中,消费、储蓄和税收组成了总供给。
【多选题】影响钻时的因素很多,主要包括 及人为因素的影响。
【简答题】主动红外线报警探测器由发射机和()组成。
【单选题】which parameter is the maximum external noise voltage added to an input signal that does not cause an undesirable change in the circuit output?