题目内容

工亡事故发生后，由（）负责牵头善后处置，集团安监部、工会、人力资源部、财务部等相关部门配合。

A. 事故责任部门
B. 工亡人员部门
C. 集团公司
D. 运管中心

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When tuning Automatic PGA Memory Management， which of the following views will provide the information specified？（）

A. The V$PGA_TARGET_ADVICE view shows the predicted cache hit-ratio improvement if you increase PGA_AGGREGATE_TARGET
B. The V$PGA_TARGET_ADVICE view shows how the V$SQL_WORKAREA histogram will change if you change the value of PGA_AGGREGATE_TARGET
C. The V$PGA_TARGET_ADVICE_HISTOGRAM view shows how the V$SQL_WORKAREA_HISTOGRAM will change if you switch between Manual and Automatic PGA Memory Management
D. The V$PGA_TARGET_ADVICE view shows how performance will improve for the different work areas if you switch from Manual to Automatic PGA Memory Management

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