From the V$SESSION_LONGOPS view, you find that some of the database users have long-running queries and are consuming a lot of CPU time. This causes problems for you when you try to log on as the system user and perform small maintenance tasks. You would like to ensure that users SYS and SYSTEM get priority over all other users. Which method would you use to achieve this objective?() create a plan directive in the SYS_GROUP。 create the pending area for the consumer group。 activate the provided SYSTEM_PLAN in Resource Manager。 set the TIMED_STATISTICS parameter to TRUE in the parameter file。 set the execution time limit for all users, except SYS and SYSTEM, in their profile。
圆柱销靠()配合配合固定在销孔中,经多次拆卸会降低其定位精度和可靠性。 过盈。 过渡。 间隙。 紧固。
You need to design a storage mode for the ProductOrderStatus measure group. What should you do?() Use ROLAP for the Historical partition and MOLAP for the CurrentDay partition.。 Use MOLAP for the Historical partition and ROLAP for the CurrentDay partition.。 Use ROLAP for the Historical partition and Automatic MOLAP for the CurrentDay partition.。 Use HOLAP for the Historical partition and Low-latency MOLAP for the CurrentDay partition.。
在制动中立位,104型分配阀均衡活塞下方通客积室,上方通()。 制动缸。 工作风缸。 副风缸。 滑阀室。
You plan to control idle sessions that are blocking other sessions from performing transactions. Your requirement is to automatically terminate these blocking sessions when they remain idle for a specified amount of time. How would you accomplish this task?() Set metric threshold。 Implement Database Resource Manager。 Enable resumable timeout for user sessions。 Add directives to Automatic Database Diagnostic Monitor (ADDM)。
条板隔墙上需要吊挂重物和设备时,不得单点固定,单点吊挂力应小于()。