导致职业倦怠的组织因素是（） 缺乏明确的职责划分、缺乏信心、缺乏奖赏、缺乏控制。 缺乏明确的职责划分、缺乏支持、缺乏信心、缺乏控制。 缺乏明确的职责划分、缺乏支持、缺乏奖赏、缺乏信心。 缺乏明确的职责划分、缺乏支持、缺乏奖赏、缺乏控制。
Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（） The retention period to support flashback。 The expected length of the longest-running query。 The number of undo tablespaces in the database。 The size of the Flash Recovery Area for the database instance。
A booting system appears to be hanging with an LED code of 0c54. What is the likely cause？（） An AIX install is in progress.。 The rootvg volume group is corrupt.。 The TCPIP configuration is incorrect.。 At least one paging device cannot be varied on.。
顾泠沅报告中指出：在课堂教学改天的过程中，对教师的帮助最大的专业指导是（）。
View the Exhibit and examine the properties of the TT tablespace. Using Database Control， you have scheduled a job to shrink the TRANS table residing on the TT tablespace. The job would run at 5：00 p.m. every Friday. When you examine the space usage of the table after the completion of the job， you find that the table has not been shrunk. What could have been the reason for this？（） The tablespace that contains the TRANS table is online.。 The tablespace that contains the TRANS table is permanent.。 The tablespace that contains the TRANS table is locally managed.。 The segment space management of the tablespace that contains the TRANS table is manual in nature.。
安全技术交底工作完毕后，（）必须履行签字手续。
