单项选择题 Which of the following commands should be run to rebuild a corrupted jfslog, loglv01?（）

单项选择题 An administrator has received complaints from users that an application is not available while other applications  run. This  application  resides  on  an  NFS  mounted  filesystem.   Which  of  the  following  commands should be run as a reasonable first step to handle this problem（）

单项选择题 YouwanttoenableautomaticPGAmemorymanagementinyourdatabase.Whichsettingisrequiredtoachievethis？（）