集体消费
You have many users complaining about slow inserts into a large table. While investigating the reason， you find that the number of indexes on the table is high. You want to find out which indexes are not being used. Which method would you follow to achieve this？（） ["enable index monitoring and query the DBA_OBJECTS view","enable index monitoring and query the DBA_INDEXES view","enable index monitoring and query the V$OBJECT_USAGE view","enable index monitoring and view the DBA_INDEXTYPE_COMMENTS view"]
丝裂霉素抑菌的作用机制是（） ["抑制细胞壁合成","抑制RNA合成","抑制蛋白质合成","抑制DNA复制"]
石先生，50岁。无吸烟史和肺部疾病史。因右半结肠癌在全麻下行右半结肠切除术。术后麻醉未清醒，呼吸时出现鼾声，此时首先采取的措施是（） ["观察病情","气管插管","环甲膜穿刺","托起患者下颌","吸痰"]
Which of the following is one of the key differentiators between the IBM System Storage DS8000 and the XIV system?（） [" DS8000 supports z\/OS; XIV supports both z\/OS and Linux on z"," DS8000 uses standard RAID technology; XIV uses distributed RAID"," XIV is a single tiered system; DS8000 supports FC and SSD disk technologies only"," XIV supportsFibre Channel protocol and mixed SATA and FC drives; DS8000 supports parallel grid architecture"]
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