OracleDBA創(chuàng)建數(shù)據(jù)庫筆試題

      q. 1 : this symbol, when you put infront of a line in the parameter file,
　　1. $
　　2. @
　　3. #
　　4. !
　　3
　　q. 2 : when you change a parameter value in the parameter file, when will
　　1. immediately after saving the parameter file

　　2. at the first checkpoint after saving the paramter file
　　3. when the dbwr finishes writing all the dirty buffers to the disk
　　4. at the next instance startup
　　4
　　q. 3 : alter system deffered command modifies the global parameters for
　　1. existing sessions after a certain amount of time
　　2. new sessions only
　　3. existing and new sessions
　　4. depends on the spin_count initialization parameter
　　2
　　q. 4 : the location where debugging trace files for back ground processes are
　　1. logfile_dest
　　2. oracle_home
　　3. background_dump_dest
　　4. core_dump_dest
　　3
　　q. 5 : in case of heavy contention for latches, set the log_simu
　　1. twice the number of cpus
　　2. same as the db block buffers
　　3. same as the shared pool size
　　4. none of the above
　　4
 

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