单选题
Your database instance is configured with automatic undo management and the UNDO_RETENTIONparameter is set to 900 seconds. You executed the following command to enable retention guarantee: SQL> ALTER TABLESPACE undotbs1 RETENTION GUARANTEE; What effect would this command have onthe database（）
发布日期：2020-04-10
The extents in the undo tablespace retain data until the next full database backup.
The extents containing committed undo in the undo tablespace are not overwritten for at least 15 minutes.
The extents containing committed data in the undo tablespace are not overwritten until the instance is shutdown.
The extents containing committed undo in the undo tablespace are transferred to Flash Recovery Areabefore being overwritten
题王网让考试变得更简单
扫码关注题王，更多免费功能准备上线！
此试题出现在
CMS专题
CMS专题
其他考试
检查视神经乳头时应观察其，除了（）
非高危行业，也应按照从业人员的数量，配置安全生产管理机构或者安全生产管理人员。
什么是路由器？
什么是“类共振现象”？结构抗震设计中如何避免类共振的发生？
现场钻井取心资料无显示，测井解释为油层的，井壁取心无显示，则该层解释为（）。
患者，男，21岁。发热、腹痛、腹泻8小时，大便黄色水样。大便常规示：WBC+++/HP，RBC 0～5个/HP。下列诊断可能性最小的是（ ）。
下图为某邮递员负责的邮区街道图，图中交叉点为邮户，每个小长方形的长为180米，宽为150米。如果邮递员每分钟行200米，在每个邮户停留半分钟，从邮局出发走遍所有邮户，再回到邮局，最少要用（ ）分钟。
劳动法律关系是指劳动者与用人单位之间在实现劳动过程中依据劳动法律规范而形成的（ ）的关系。
“宁可食无肉，不可居无（）”是苏东坡的著名言论。
制动机试验后处理的制动故障关门车，要重新进行一次制动机（）。
暂无相关推荐~
Your database instance is currently configured to support 1，500 connections. The...
Your database instance is configured with automatic undo management and the UNDO...
You have configured the ASM instance for the PROD database of iPod Corporation. ...
Your database instance is configured with automatic undo management and the UNDO...
The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X ...
The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X ...
A general purpose MySQL instance is configured with the following options: —log-...
You want to set the following initialization parameters for your database instan...
A database instance is using an Automatic Storage Management (ASM) instance, whi...
Examine the following parameters for a database instance: MEMORY_MAX_TARGET=0 ME...