oracle试题怎么做,解释可不可以详细一点.In your Oracle 10g database ,you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday.The job has successfully completed.Which three pieces of information would you chec
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/08 09:52:53
oracle试题怎么做,解释可不可以详细一点.
In your Oracle 10g database ,you have scheduled a job to update the optimizer statistics at 05:00 pm
every Friday.The job has successfully completed.Which three pieces of information would you check to
confirm that the statistics have been collected?(Choose three.)
A.average row size
B.last analyzed date
C.size of table in bytes
D.size of table in database blocks
E.number of free blocks in the free list
F.number of extents present in the table
B、C、D,数据库的统计信息是为让数据库产生更优的执行计划,更新统计信息包含了B、C、D三个选择的内容,特别是last analyzed date最容易反映出来信息有没有更新.
oracle试题怎么做,解释可不可以详细一点.In your Oracle 10g database ,you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday.The job has successfully completed.Which three pieces of information would you chec
弛''怎么组词?可不可以再解释详细一点,拜托~~~~~
The Oracle will see you now 中文怎么解释
7.8题怎么做?要详细解释!
怎么做,请详细解答,并解释
第九题怎么做?详细解释
Oracle数据库怎么使用?
Oracle怎么读
ORACLE 怎么读
Oracle怎么念
什么是yes card?可不可以解释详细一点、、
第三题怎么做讲的详细点1.2问,概率论试题
这几道C#试题怎么做?
oracle截取字符串:substr(a.id,2,1)1 要怎么解释呢
这道数学题怎么做 {有详细解释}
万圣节面具怎么做 英文解释 步骤 详细
求解释,怎么做,详细解释哈abcd,都解释哈
可不可以教我怎么做,