Oracle遇到问题 :在PL/SQL当输入用户名和密码后 竟然出现标题上错误,我一项目数据库数据库全都没有备份,还有很多很多数据,该不会让我重装数据库吧,想到这个我汗那个流啊。在网上查了下 看了看文章,还有解决办法,真让我裂了把汗。出现这个问题多半是由于数据库文件丢失。Oracle在启动...
分类:
数据库 时间:
2015-10-18 21:30:07
阅读次数:
236
转帖:http://www.infoq.com/cn/articles/double-checked-locking-with-delay-initialization随着我们编写代码的深入,我们或多或少都会接触到设计模式,其中单例(Singleton)模式应该是我们耳熟能详的一种模式。本文将比较特...
分类:
其他好文 时间:
2015-10-14 19:53:14
阅读次数:
207
EF+MVC的网站在第一次打开的时候,速度会很慢;闲置一段时间再次打开,重启应用程序池都会很慢。程序更新,应用程序池重启、回收后,需要重新加载程序文件。1、安装Application Initialization这是IIS8的内置功能,对于IIS7.5,微软提供了一个扩展包来支持这个功能。Appli...
分类:
其他好文 时间:
2015-10-12 14:30:15
阅读次数:
325
QUESTION NO: 324
Which of the following describes how a distributed resumable transaction behaves?A. The resumable setting on the initiating session determines the resumable conditions for the entire...
分类:
其他好文 时间:
2015-10-12 12:44:10
阅读次数:
174
QUESTION NO: 323
To enable resumable space allocation for the instance, which of the following initialization parameters
should you set to a nonzero value?
A. RESUMABLE_SPACE_TIME
B. RESUMABLE_SPA...
分类:
其他好文 时间:
2015-10-12 12:43:03
阅读次数:
175
QUESTION NO: 321
Automatic PGA Memory Management eliminates the need to manually configure which of the following
initialization parameters? (Choose all that apply.)
A. SORT_AREA_SIZE
B. HASH_AREA...
分类:
其他好文 时间:
2015-10-12 12:42:37
阅读次数:
156
QUESTION NO: 317
To manually configure the SGA components using Oracle Enterprise Manager Memory Advisor, you can
set values for which of the following initialization parameters? (Choose all that app...
分类:
其他好文 时间:
2015-10-12 09:18:25
阅读次数:
217
QUESTION NO: 315
By setting the value of MEMORY_TARGET to zero and setting the value of SGA_TARGET to a nonzero
value, you will enable which of the following memory-management options?
A. Automatic...
分类:
其他好文 时间:
2015-10-12 09:18:21
阅读次数:
193
QUESTION NO: 294
Which of the following initialization parameters have been deprecated in Oracle 11g because of the
introduction of the Automatic Workload Repository? (Choose all that apply.)
A. BA...
分类:
其他好文 时间:
2015-10-11 11:35:30
阅读次数:
121
QUESTION NO: 295
Which of the following statements is true regarding the initialization parameter DIAGNOSTIC_DEST? A. The default value is the value of the environment variable $ORACLE_HOME; if $ORACL...
分类:
其他好文 时间:
2015-10-11 11:35:26
阅读次数:
154