To generate recommendations to improve the performance of a set of SQL queries in an application， you execute the following blocks of code： BEGIN dbms_advisor.create_task（dbms_advisor.sqlaccess_advisor，’TASK1’）； END； / BEGIN dbms_advisor.set_task_parameter（’TASK1’，’ANALYSIS_SCOPE’，’ALL’）； dbms_advisor.set_task_parameter（’TASK1’，’MODE’，’COMPREHENSIVE’）； END； / BEGIN dbms_advisor.execute_task（’TASK1’）； dbms_output.put_line（dbms_advisor.get_task_script（’TASK1’））； END； / The blocks of code execute successfully；however，you do not get the required outcome. What could be the reason？（） A template needs to be associated with the task.。 A workload needs to be associated with the task.。 The partial or complete workload scope needs to be associated with the task.。 The type of structures （indexes， materialized views， or partitions） to be recommended need to be specified for the task.。
在云计算系统中，提供“云端”服务模式是（）公司的云计算服务平台。 IBM。 GOOGLE。 Amaxon。 微软。
Identify the channel settings that can be performed using the CONFIGURE CHANNEL or ALLOCATECHANNEL commands in RMAN（） (choose all that apply) Limiting the input/output (I/O) bandwidth consumption。 Specifying the size of backup sets and backup pieces。 Specifying vendor-specific information for a media manager。 Specifying the parallelism for backup and restore operatio。
While planning to manage more than one database in your system， you perform the following activities： 1. Organize different categories of files into independent subdirectories. 2. Use consistent naming convention for database files. 3. Separate administrative information pertaining to each database. Which option corresponds to the type of activities performed by you？（） Oracle Managed Files。 Oracle Grid Architecture。 Optimal Flexible Architecture。 Oracle database architecture。
百分表使用过程中应避免受到（）和振动。
变频器在安装接线时，尤其要注意是（）。
