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。
You issued the following command on the temporary tablespace LMTEMP in your database: SQL>ALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M; Which requirement must be fulfilled for this command to succeed?（） The tablespace must be locally managed.。 The tablespace must have only one temp file.。 The tablespace must be made nondefault and offline.。 The tablespace can remain as the default but must have no active sort operations.。
You run the following commands： RMAN> list expired backup； RMAN> delete expired backup； What will happen to the backup set pieces associated with the backups that appear in the list expired backup command？（） They will be renamed.。 Nothing will happen to them. The backup set pieces do not exist.。 They will be deleted immediately since they are not in the flash recovery area.。 You will need to manually remove the physical files listed in the output of the commands.。 They will become hidden files and removed 10 days later.。
空间生产
不完全 市场指的是（）
