Which three statements are true about adaptive SQL plan management?（）
A. It automatically performs verification or evolves non-accepted plans, in COMPREHENSIVE mode when they perform better than existing accepted plans.
B. The optimizer always uses the fixed plan, if the fixed plan exists in the plan baseline.
C. It adds new, bettor plans automatically as fixed plans to the baseline.
D. The non-accepted plans are automatically accepted and become usable by the optimizer if they perform better than the existing accepted plans.
E. The non-accepted plans in a SQL plan baseline are automatically evolved, in COMPREHENSIVE mode, during the nightly maintenance window and a persistent verification report is generated.
在押人员死亡后，公安机关组织尸检的，应当符合（）程序。
A. 通知死亡在押人员的近亲属到场，并让其在《解剖尸体通知书》上签名或者盖章
B. 对死亡在押人员无近亲属或者无法通知其近亲属，以及死亡在押人员的近亲属无正当理由拒不到场或者拒绝签名或者盖章的，不影响尸检，但是应当在《解剖尸体通知书》上注明
C. 邀请与案件无关的人员或者死者近亲属聘请的律师到场见证。并对尸体解剖过程进行全程录像
D. 对尸体解剖过程进行全程录像
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