While an electrician was adding additional circuits for the Data Center， the system running the Database inadvertently powered down. The fallover of the service IP labels and volume groups to the hot standby node completed as expected； however， the database did not start. The database log file indicated that the database was already started. What is the most likely cause of this problem？（） The shared logical volumes and filesystems did not have database permissions.。 There was a test instance running on the standby system that must be shutdown.。 The tablespaces had an indicator indicating that the database had not shutdown properly.。 The startup script for the highly available instance did not first perform cleanup operations.。
城市的概念有哪些标准。
Because of performance problems， capacity needs to be added to a paging space named paging01 on hdisk1. The physical partition size of hdisk1 is 4MB. Which command will increase the size of paging01 by 100MB（） chlv -a paging01 25。 chps -s 25 paging01。 mkps -a 25 paging01。 extendlv -a paging01 25。
施工承包合同中承包人的一般义务包括（）。 组织竣工验收。 依法纳税。 完成各项承包工作。 保证工程施工和人员的安全。 为他人提供方便。
A system must be evaluated and tuned. In order to use a set of performance evaluation programs （e.g.， filemon， svmon， and tprof） which of the following packages should exist on the system in question？（） bos.adt。 bos.perf。 Java.adt。 perfagent.tool。
根据动机归因理论，属于可控的内在因素是（）
