1.首先使用RMAN做一次备份(必需有次备份)
rman target /
backup database;
or
backup database root;
backup pluggable database pdb;
2.在pdb中创建test用户并授权
sqlplus / as sysdba
alter session set container=pdb;
cr...
分类：
数据库 时间：
2014-06-11 00:37:06
阅读次数：
403
OCP 053:192.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...
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其他好文 时间：
2014-06-10 13:10:23
阅读次数：
315
An IO call issynchronousif, when you call it, it
does not return until the operation is completed, or until enough time has
passed that your network s...
分类：
编程语言 时间：
2014-06-10 10:07:56
阅读次数：
273
对于这道题我只想说坑爹。绝对的坑爹。还有这样出题的。。。。。无耻的出题人Time
Limit:2000/1000 MS (Java/Others)Memory Limit:65536/32768 KB
(Java/Others)SubmitStatisticNext ProblemProblem D...
分类：
其他好文 时间：
2014-06-10 08:43:32
阅读次数：
197
You are climbing a stair case. It takesnsteps
to reach to the top.Each time you can either climb 1 or 2 steps. In how many
distinct ways can you climb...
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其他好文 时间：
2014-06-10 08:41:34
阅读次数：
206
问题：
You are climbing a stair case. It takes n steps to reach to the top.
Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?
分析：
该问题是符合斐波那契数列的，具体...
分类：
其他好文 时间：
2014-06-10 08:19:31
阅读次数：
194
A1 = ?
Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 4682 Accepted Submission(s): 2990
Problem Description
有如下方程：Ai = (Ai-1 + Ai...
分类：
其他好文 时间：
2014-06-10 08:07:18
阅读次数：
145
题目
You are climbing a stair case. It takes n steps to reach to the top.
Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?
方法
从后往前求解...
分类：
其他好文 时间：
2014-06-10 07:38:21
阅读次数：
171
MAX Average Problem
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 5825 Accepted Submission(s): 1446
Problem Description
Consid...
分类：
其他好文 时间：
2014-06-10 06:09:25
阅读次数：
293
Sort a linked list inO(nlogn) time using
constant space complexity.单向链表排序O(nlogn)，Mergesort可以实现。 1 /** 2 * Definition for
singly-linked list. 3 * st.....
分类：
其他好文 时间：
2014-06-10 00:44:11
阅读次数：
329
