You work as a database administrator for Certkiller .com. On a Monday morning， you find the database instance aborted. After inspecting the alert log file， you execute the STARTUP command in SQL*Plus to bring the instance up. What statement is true？（） PMON coordinates media recovery.。 SMON coordinates instance recovery.。 PMON coordinates instance recovery.。 Undo Advisor would roll back all uncommitted transactions.。 SQL*PLUS reports an error with the message asking you to perform instance recovery.&e。
顾客购买行为的特征表现为（） 表面性。 时间性。 周期性。 相关性。 稳定性。
Exhibit，View the Exhibit and examine the Resource Manager settings for the groups at different levels. Which two effects would be the result of this setting？ （） The members of LOW_GROUP would get more priority than those of OTHER_GROUPS.。 The members of SYS_GROUP would get most of the CPU allocation at level 1.。 The members of LOW_GROUP would get most of the CPU allocation because it has CPU allocation at two different levels.。 The members of LOW_GROUP would get no CPU allocation at level1 if the members of OTHER_GROUPS are using all the CPU at level 2.。 The members of SYS_GROUP would get no CPU allocation at level 1 if the members of OTHER_GROUPS are using all the CPU at level 2.。
Your multitenant container (CDB) containing three pluggable databases (PDBs) is running in ARCHIVELOG mode. You find that the SYSAUX tablespace is corrupted in the root container. The steps to recover the tablespace are as follows: 1. Mount the CDB. 2. Close all the PDBs. 3. Open the database. 4. Apply the archive redo logs. 5. Restore the data file. 6. Take the SYSAUX tablespace offline. 7. Place the SYSAUX tablespace online. 8. Open all the PDBs with RESETLOGS. 9. Open the database with RESETLOGS. 10. Execute the command SHUTDOWN ABORT. Which option identifies the correct sequence to recover the SYSAUX tablespace?（） 6，5，4，7。 10，1，2，5，8。 10，1，2，5，4，9，8。 10，1，5，8，10。
（）灭火机的主要成分为二氟二溴甲烷。 干粉。 1301。 1211。 1202。
患者，男性，54岁，在草丛中行走时不慎被蛇咬伤，小腿部留下一对大而深的牙痕，且伤口出血不止，周围皮肤出现瘀斑和血疱。为降解伤口内的蛇毒，可用以下哪种药物进行伤口周围封闭（）
