QUESTION NO: 499
While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that
has stale statistics available. What would the optimizer do in this situatio...
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其他好文 时间:
2015-10-18 20:07:32
阅读次数:
132
QUESTION NO: 475
The SQL Tuning Advisor has been configured with default configurations in your database instance. Which
recommendation is automatically implemented without the DBA’s intervention aft...
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其他好文 时间:
2015-10-18 11:30:37
阅读次数:
257
QUESTION NO: 456
Which two statements about the SQL Management Base (SMB) are true? (Choose two.)
A. It contains only SQL profiles generated by SQL Tuning Advisor.
B. It stores plans generated by t...
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其他好文 时间:
2015-10-18 10:06:45
阅读次数:
191
1. 纯手工打造工具:程序员的双手特点:手写客户端与服务器端验证代码2. 半手工半自动工具:jquery.validate(客户端)+ DataAnnotations &DataAnnotationsExtensions(服务器端)特点:客户端手写部分验证代码,服务器端只需声明验证规则3. 全自动工...
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数据库 时间:
2015-10-16 23:19:39
阅读次数:
297
源地址:https://msandbu.wordpress.com/2014/10/31/netscaler-and-real-performance-tuning/作者显然不是以英语为母语的,所以有些地方我看着也比较费劲,但是十分感谢原作者。=========翻译内容开始=========昨儿我跟...
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Web程序 时间:
2015-10-15 17:55:54
阅读次数:
297
QUESTION NO: 405
You are tuning RMAN to optimize performance. You want tape I/O to be asynchronous when you perform
tape backups. Which action should you take?
A. Set the BACKUP_TAPE_IO_SLAVES para...
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其他好文 时间:
2015-10-15 10:09:59
阅读次数:
152
QUESTION NO: 322
When tuning Automatic PGA Memory Management, which of the following views will provide the
information specified? A. The V$PGA_TARGET_ADVICE view shows the predicted cache hit-ratio...
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其他好文 时间:
2015-10-12 12:42:20
阅读次数:
226
跑SELECT dbms_sqltune.report_tuning_task(:tuning_task) FROM dual; 错误消息,如下面:ORA-00600: internal error code, arguments: [kesqsMakeBindValue:obj], [], [],...
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数据库 时间:
2015-10-07 08:33:57
阅读次数:
213
英文原文:101 Tips to MySQL Tuning and Optimization(July 12, 2011)翻译:http://www.oschina.net/translate/101-tips-to-mysql-tuning-and-optimization?p=3#comment...
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数据库 时间:
2015-09-29 10:00:28
阅读次数:
164
Select*FromTable(dbms_xplan.display_cursor(sql_id=>‘9s7pt2ay4t3jg‘));Declarel_Result_NameVarchar2(30);l_Task_NameVarchar2(36):=‘Task_Name_9s7pt2ay4t3jg_1‘;l_SqlidVarchar2(36):=‘9s7pt2ay4t3jg‘;Beginl_Result_Name:=Dbms_Sqltune.Create_Tuning_Task(Sql_Id=>..
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数据库 时间:
2015-09-21 12:33:25
阅读次数:
217