The current time zone for one of the user sessions is set to the database local time zone. For one application， the user session requires the time zone to be set to the local operating system time zone without affecting other user sessions. Which two solutions could the user implement to achieve this objective？ （） use the ALTER SYSTEM command to change the time zone。 use the ALTER SESSION command to change the time zone。 use the ALTER DATABASE command to change the time zone。 set the value for the operating system variable ORA_SDTZ on the client machine。 set the value for the operating system variable ORA_SDTZ on the database server machine。
产生耐药性的原因（） 先天性的机体敏感性降低。 后天性的机体敏感性降低。 该药被酶转化而本身是酶促剂。 该药被酶转化而合用了酶促剂。 巳以上都不对。
固体绝缘材料吸水后的介电系数比干燥状态下的介电系数（）。 增加。 不变。 减小。
家庭暴力受害人可以向加害人所在的（）投诉。 居民委员会。 上级单位。 妇女联合会。 村民委员会。
Which three are direct benefits of the multiprocess, multithreaded architecture of Oracle Database 12cwhen it is enabled?（） Reduced logical I/O。 Reduced virtual memory utilization。 Improved parallel Execution performance。 Improved Serial Execution performance。 Reduced physical I/O。 Reduced CPU utilizatio。
You work as a database administrator for Certkiller .com. While loading data into the Certkiller STAFF table using Oracle Enterprise Manager 10g Database Control， you find the status of the job as failed. On further investigation， you find the following error message in the output log： ORA-01653 unable to extend table HR. Certkiller STAFF by 8 intablespaceUSERS Which task would you perform to load the data successfully without affecting the users who are accessing the table？（）
