You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6:00 P.M. on Monday, you issue the following command: RMAN>BACKUP DATABASE; At 8:00 A.M. on Tuesday, you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP; command. Which operation should you perform before using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP; command?() Start the database in the MOUNT stage.。 Back up the control file to trace.。 Set the DBID。 Issue the RECOVER DATABASE command.。
患者,男性,30岁。应车祸致“脾破裂”急诊手术。入手术室时,神志清,T37.2℃,P94/min。,BP96/60mmHg,硬膜外麻醉成功后,突然出现意识丧失,面色苍白,口唇四肢严重发绀,脉搏、心音、血压均测不出,血氧饱和度下降至20%。该患者可能发生了以下哪种情况() 心脏骤停。 面色苍白。 心源性休克。 呼吸衰竭。 窒息。
The Database Resource Manager is automatically enabled in the maintenance window that runs the Automated Maintenance Task. What is the reason for this?() to prevent the creation of an excessive number of scheduler job classes。 to allow the Automated Maintenance Tasks to use system resources without any restriction。 to allow resource sharing only among the Automated Maintenance Tasks in the maintenance window。 to prevent the Automated Maintenance Tasks from consuming excessive amounts of system resource。
M12以上的丝锥采用()分配切削量。
法定期间()路途上的时间。 包括。 不包括。 由检察院决定是否包括。 由人民法院决定是否包括。
以下对市场法的理解正确的有()。