下列关于药物作用机制的描述中，正确的是（） 参与、影响细胞物质代谢过程。 抑制酶的活性。 改变特定环境的理化性质。 产生新的功能。 影响转运体的功能。
“刺激→处理全过程（犹豫）→反应→不协调→再认识”表示的顾客购买行为模式是（） 复杂的购买行为模式。 不协调减少的购买行为模式。 寻求多样化的购买行为模式。 常规或习惯性购买行为模式。
Consider the following configuration： /devices/D1is a member of disk group dgroupA. /devices/D2is a member of disk group dgroupA. /devices/D3is a member of disk group dgroupA. You plan to add a new disk， /devices/D4，to the disk group dgroupA. You execute the following command： SQL> ALTER DISKGROUP dgroupA ADD DISK ’/devices/D*’； Which task would be accomplished by the command？（） The command adds the new disk， D4， to the disk group.。 The command would result in an error because the is no disk by the name "’/devices/D*’"。 The command will be ignored because disks starting with "D" are already members of the disk group.。 The command would result in an error because no wildcard characters can be used in the disk name.。 The command first detaches all the member disks starting with "D"， and the reattaches them including the new disk.。
密封的V型圈数量取决于密封（）的大小。 压力。 压强。 温度。 管口。
You work as a database administrator for Certkiller .com. You have set the retention period for Automatic Repository （AWR） statistics to four days and collection interval to 15 minutes. You want to view the statistics collected and stored in AWR snapshot. Which two methods would you use to view the AWR statistics？（） use enterprise manager。 use DBMS_SQL package。 use DBMS_AWR package。 use PRVT_WORKLOAD package。 query the AWR snapshot repository objects。 use DBMS_WORKLOAD_REPOSITORY package。
The tnsnames.ora file has an entry for the service alias ORCL as follows:The TNS ping command executes successfully when tested with ORCL; however, from the same OS usersession, you are not able to connect to the database instance with the following command:SQL > CONNECT scott/tiger@orcl What could be the reason for this?（）
