Before an auxiliary boiler is shutdown for an extended period of time, the water in the boiler should have a pH value of ().
If an emergency pump control is used as the emergency shutdown on a tank vessel,it must().
Which mode of database shutdown requires an instance recovery at the time of the next database startup?()
关闭系统的shutdown、halt、reboot、init命令各有何特点?
The three conditions which cause engine shutdown are overspeed,low lube oil pressure,and().
shutdown-h now这个指令的用途?()
以下关于"shutdown-k"的说法哪一个是正确的?()
SHUTDOWN的()选项会等待用户完成他们没有提交的事务。
其实halt是关机命令,其实就是调用shutdown-hhalt执行时﹐杀死应用进程﹐执行sync系统调用﹐文件系统写操作完成后就会停止内核。
You want to migrate your database to ASM, so you have done a clean shutdown, made a closed backup of the entire You wa database, noted the location of your control files and online redo log files, and changed your spfile to use OMF. The last step is to run an RMAN script to do the conversion. Using the following steps,what is the correct order in which the following RMAN commands should be executed?() 1. STARTUP NOMOUNT 2. ALTER DATABASE OPEN RESETLOGS 3. SQL "ALTER DATABASE RENAME ,,logfile1 path TO ,,+dgrp4 ,," # plus all other logfiles 4. SWITCH DATABASE TO COPY 5. BACKUP AS COPY DATABASE FORMAT ,,+dgrp4 6. ALTER DATABASE MOUNT 7. RESTORE CONTROLFILE FROM ,,controlfile_location