Which tablespaces are mandatory in an Oracle database for it to be operational（） Undo tablespace。 USERS tablespace。 SYSAUX tablespace。 SYSTEM tablespace。 Temporary tablespace。
中学教师应如何做好班级管理与教育活动？
You issued the following commands to configure setting in RMAN; RMAN> CONFIGURE DEVICE TYPE sbt PARALLELISM 1; RMAN> CONFIGURE DEFAULT DEVICE TYPE TO sbt; RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2; RMAN> CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE sbt TO 2; RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2; Then you issued the following command to take the backup: RMAN> BACKUP DATABASE PLUS ARCHIVELOG; Which statement is true about the execution of the above command?（） The backup will terminate because the FORMAT clause was not configured for the channel。 It backs up two copies of data files to tape and disk, and two copies of archived log file on tape。 It backs up the data files and archived log files to disk, making two copies of each data file and archived log file。 It backs up the data files and archived log files to tape, making two copies of each data file and archived log file。
What are two circumstances for which it may be advisable to use the silent uninstallation method instead of an interactive method？（） The Administrator is unable to successfully export DISPLAY to a remote server.。 IBM Tivoli Workload Scheduler is installed on a server for which there is no console access.。 DNS is not working properly and the server cannot be accessed remotely to run the uninstallation script.。 TCP on the server on which IBM Tivoli Workload Scheduler is installed is configured for half-duplex rather than full-duplex.。 The remote IBM Tivoli Workload Scheduler server is multi-homed， thus the return connection to IBM Tivoli Workload Scheduler cannot be established thereby requiring the use of the silent uninstaller.。
根据水利部《水库大坝安全鉴定办法》，大坝实行定期安全鉴定制度，首次安全鉴定应在竣工验收后（）年内进行。 一。 三。 五。 十。
锅炉上水期间，应控制汽包上下壁温差不超过（）。
