To increase the availability of an Advanced Replication environment, you can add a new master to a replication group without quiescing the group. This is achieved(). Only when the new master site already has existing replication groups. 。 By issuing a single command to create, populate, and activate the new master. 。 When the master definition site is not the same for all of the master groups. 。 Without impacting end users who are executing data manipulation language (DML) commands on the replicated tables.。
消费者自认为与自己完全不符合并极力避免与之行为相似性的群体。如高收入者对低收入者的消费行为,成年人对青年人的消费行为。这种消费者群体是() 所属群体。 渴望群体。 自觉群体。 回避群体。
数据挖掘技术包括3个主要部分:()、()、()。
What is the result?() Line 26 prints "a" to System.out.。 Line 26 prints "b" to System.out.。 An exception is thrown at runtime.。 Compilation of class A will fail due to an error in line 6.。
遇有施工又必须接发列车的特殊情况时,引导接车并正线通过时,准许列车凭特定引导手信号的显示,以不超过()的速度进站。 15km/h。 20km/h。 60krn/h。 80km/h。
人民法院审理行政案件的依据是()。