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问题:

[单选] What is the purpose of the until change option of the restore command?()  

A .  It allows you to select the SCN that you want to restore to.
B .  It allows you to select the log sequence number you want to restore to.
C .  It allows you to select the timestamp you want to restore to.
D .  It allows you to manually stop the restore at any time as online redo logs are applied.
E .  None of the above.

在()的工期内,这些工程量的增加超出了约定的范围,需要增加施工设备而影响原定的项目合同价时,应予调整该项目的单价 首要线路。 必要线路。 关键线路。 基本线路。 Given: What is the result?() null。 finally。 null finally。 Compilation fails.。 finally exceptio。 下列工作无须戴绝缘手套的是()。 高压验电。 低压验电。 装设接地线。 You completed your workflow definition. You want to save a copy of the definition to the file system for source control purposes. How does Oracle Workflow Builder save that file?() as a flat file。 as a BPEL-compiled definition。 as an XML file with an associated document type definition (DTD)。 as an XML file without an associated document type definition (DTD)。 Identify a performance impact when using the Performance Schema.() There is no impact on performance。 The overhead depends on the settings of the Performance Schema。 There is an overhead for querying the Performance Schema but not for having it enabled。 There is a constant overhead regardless of settings and workload。 What is the purpose of the until change option of the restore command?()  
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