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问题:

[单选] Which of the following is a feature of a unit of work?()

A . It applies to a single data server.
B . It is a recoverable sequence of operations.
C . Its value can be queried from the system catalog tables.
D . It begins when the application connects to the data server.

在Excel中为了移动分页符,必须处于何种视图方式:() 为什么说今后我国将还会存在大量剩余劳动力? 在我国,()是引起菌痢最主要的原因 福氏志贺氏菌。 宋内氏志加氏菌。 A+B。 以上都不是。 鲍氏志加氏菌。 A customer has an 8-way p650 running an application for about 200 users.  In the past, the requiredamount of memory and processors has increased proportionally to the number of new users.  The customer plans to increase users by 10% each year for the next three years.  Next year, a database will be added to the workload to support the users directly rather than being on a separate machine. What is the most likely result of this projected growth?() Disk usage will increase in proportion to memory.。 The new database will demand much more memory.。 Memory demand will increase 10% for the next year.。 Processor demand will increase about 10% for the next year.。 下面哪个软件功能设计用于提供将数据连续同步传输到远程设备?() FlashCopy。 Metro Mirror。 Global Mirror。 Global Copy。 Which of the following is a feature of a unit of work?()
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