影响大学生人际关系的因素有（） 空间距离。 容貌与仪表。 相似性。 互补性。
You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace： RMAN> BACKUP TABLESPACE DETTBS； Under which conditions would this command execute successfully？ （） The database is in NOMOUNT state.。 The database is in NOARCHIVELOG mode and the tablespace is online.。 The database is in NOARCHIVELOG mode and the tablespace is offline.。 The database is in ARCHIVELOG mode and the tablespace is offline.。 The database is in ARCHIVELOG mode and the tablespace is online.。
在清算假设前提下要求评估资产的清算价格
Initially， for the Automatic Workload Repository （AWR） statistics， the retention period is set to 7 days， the collection interval is set to 30 minutes and the collection level is set to Typical in your production database. You have been using the Memory Advisor for the last three months to generate recommendations for tuning memory components. However， when you observe the Memory Advisor on a Friday， you find that the statistics are available only for two days， Thursday and Friday， of that week. What would have caused the statistics to be removed？（） On Wednesday， the statistics have been purged.。 On Wednesday， the retention period has been set to zero.。 On Wednesday， the collection interval has been set to zero.。 On Wednesday， the collection level has been changed to All.。 On Wednesday， the retention period has been set to one day.。 On Wednesday， the retention period has been set to two days.。 On Wednesday， the collection level has been changed to Typical.。 On Wednesday， the collection interval has been set to 1440 minutes.。
变电站（所）内铜金属性的设备接头在过热后，其颜色会变为（）。 黑色。 紫色。 浅红色。
下列指标中，组成节能建筑工程评价指标体系的有（）。
