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Web程序 时间：
2015-10-05 13:04:36
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155
QUESTION NO: 120
Which of the following are not disabled by default?
A. Jobs
B. Chains
C. Windows
D. Window groups
E. Schedule
A schedule is enabled by default. The others are disabled by defau...
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其他好文 时间：
2015-10-05 13:05:22
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152
QUESTION NO: 116
In a Database Replay workload capture, what client request information is gathered? (Choose all that
apply.)
A. SQL text SQL
B. Shared server requests (Oracle MTS)
C. Bind variab...
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其他好文 时间：
2015-10-05 13:06:44
阅读次数：
161
QUESTION NO: 136
Which background process coordinates the rebalance activity for disk groups?
A. ORBn
B. OSMB
C. RBAL rebalance再平衡
D. ASMn Answer: C哪个后台进程协调磁盘组重新平衡活动？C. RBAL rebalance再平衡...
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其他好文 时间：
2015-10-05 13:06:01
阅读次数：
143
QUESTION NO: 121
You notice that a job in a chain has not completed on a nonconstrained RAC database. Which of these
are valid reasons why that might occur?
A. The job priority is 1 and the resourc...
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其他好文 时间：
2015-10-05 13:05:01
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135
QUESTION NO: 117
Which of the following are true concerning block media recovery? (Choose all that apply.)
A. Any gap in archive logs ends the recovery.
B. If a gap in archive logs is encountered,...
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其他好文 时间：
2015-10-05 13:05:01
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156
题目链接：codeforces 351B题目大意：给出一个游戏，先手选择一对相邻的数交换位置，后手随机找一对数，然后掷硬币决定是否交换，如果不能交换，那么就重新找。问大致序列有序的采取最优策略的布数的期望。题目分析:
定义dp[i]表示减少i个逆序对的步数的期望。
dp[i]=1+1+dp[i?2]?0.5+dp[i?1+1]]?0.5dp[i] = 1+1 + dp[i-2] \cdot 0.5...
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其他好文 时间：
2015-10-05 13:05:07
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303
QUESTION NO: 139重复
How can you reverse the effects of an ALTER DISKGROUP … DROP DISK command if it has already
completed?
A. Issue the ALTER DISKGROUP … ADD DISK command.
B. Issue the ALTER DISKGR...
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其他好文 时间：
2015-10-05 13:03:57
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156
QUESTION NO: 130？
When an ASM instance receives a SHUTDOWN NORMAL command, what command does it pass on to
all database instances that rely on the ASM instance‘s disk groups?
A. TRANSACTIONAL
B. I...
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其他好文 时间：
2015-10-05 13:04:25
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208
QUESTION NO: 137
On the development database rac0, there are six raw devices: /dev/raw/raw1 through /dev/raw/raw6.
/dev/raw/raw1 and /dev/raw/raw2 are 8GB each, and the rest are 6GB each. An existing...
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其他好文 时间：
2015-10-05 13:04:47
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198
QUESTION NO: 138
Which type of database file is spread across all disks in a disk group?A. All types of files are spread across all disks in the disk group. 所有类型的文件散布在磁盘组中的所有磁盘。
B. Datafiles
C. Redo...
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其他好文 时间：
2015-10-05 13:04:43
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117
QUESTION NO: 123
The NLS_TERRITORY parameter specifies the default conventions to be used for which of the following
globalization elements? (Choose all that apply.)
A. Date format
B. Decimal chara...
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其他好文 时间：
2015-10-05 13:01:57
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138
QUESTION NO: 122
The NLS_LANGUAGE parameter specifies the default conventions to be used for which of the following
globalization elements?
A. Languages for server messages
B. Day and month names...
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其他好文 时间：
2015-10-05 13:02:42
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158
QUESTION NO: 131
When starting up your ASM instance, you receive the following error: ASM
SQL> startup pfile=?/dbs/init+ASM.ora
ASM instance started+
Total System Global Area 104611840 bytes
Fixed...
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其他好文 时间：
2015-10-05 13:03:53
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173
QUESTION NO: 125
What components are present in an ASM instance? (Choose three.)
A. SGA
B. Database processes
C. Database datafiles
D. Control files
E. Database parameter file or spfile
A, B,...
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其他好文 时间：
2015-10-05 13:01:36
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200
QUESTION NO: 126
Which of the following is a benefit of ASM fast disk resync?
A. Failed disks are taken offline immediately but are not dropped.
B. Disk data is never lost.
C. By default, the fai...
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其他好文 时间：
2015-10-05 13:02:01
阅读次数：
125
QUESTION NO: 124
What are three benefits of using ASM? (Choose three.)
A. Ease of disk administration and maintenance
B. Load balancing across physical disks
C. Software RAID-1 data redundancy with...
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其他好文 时间：
2015-10-05 13:03:28
阅读次数：
164
