[单选]
Before a Flashback Table operation，you execute the following command：
ALTER TABLE employees ENABLE ROW MOVEMENT；
Why would you need this to be executed？（）

A . Because row IDs may change during the flashback operation
B . Because the object number changes after the flashback operation
C . Because the rows are retrieved from the recycle bin during the flashback operation
D . Because the table is moved forward and back to a temporary during the flashback opertio

How can a system administrator determine if a system is running in 32-bit or 64-bit mode（） Use the Is -al to see if/unix is linked to /usr/lib/boot/unix_64。 Check the /etc/inittab to see if there is a load64bit entry。 Use ’prtconf -c1 to see if the system is 64-bit enabled。 Use the Islpp command to see if the bos.mp64 fileset is installed。按企业会计制度及其资产的流动特性分类，资产可以分为（）。流动资产。不动产。固定资产。长期投资。无形资产。 Companycom is planning for a 64-way p5 595. The plan is to use Virtual IO Servers and micropartitioning. What is the maximum number of partitions they can allocate?（） 128。 254。 320。 640。 A customer has a system with a number of LPARs, one of which is running a supported version of Linux. Which CLI command can an administrator use to display the CPU and memory resource allocation of the Linux partition? （） cat /proc/usr/lparchk 。 cat /proc/ppc64/lparcfg 。 /var/adm/tools/res_list 。 /var/adm/tools/lparalloc。采集水样时水样的流量应保持（） 300~400ml/min。 400~600ml/min。 500~700ml/mi。

Before a Flashback Table operation，you execute the following command：
ALTER TABLE employees ENABLE ROW MOVEMENT；
Why would you need this to be executed？（）

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[单选] Before a Flashback Table operation，you execute the following command： ALTER TABLE employees ENABLE ROW MOVEMENT； Why would you need this to be executed？（）

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[单选]
Before a Flashback Table operation，you execute the following command：
ALTER TABLE employees ENABLE ROW MOVEMENT；
Why would you need this to be executed？（）