spring3mvc学习笔记

摘要：一.说明1.1 相关内容在如下官方文档中提到了一些优化工具的说明：Monitoring and Tuning the Databasehttp://docs.oracle.com/cd/E11882_01/server.112/e10897/montune.htmUsing Advisors to Optimize DatabasePerformance Oracle Databaseincludes a set ofadvisorsto help you manage and tune your database.This section contains background inform 阅读全文

摘要：一./etc/oratab说明直接使用cat 查看这个文件：gg1:/home/oracle> cat /etc/oratab # # This file is used by ORACLEutilities. It is created by root.sh # and updated by the Database ConfigurationAssistant when creating # a database. # A colon, ':', is used as the fieldterminator. A new line terminates # the e 阅读全文

摘要：官网的链接说明About Oracle Database Resource Managerhttp://docs.oracle.com/cd/E11882_01/server.112/e25494/dbrm001.htm#i1007556一.Solutions Does the Resource ManagerProvide for Workload Management?When databaseresource allocation decisions are left to the operating system, you mayencounter the following prob 阅读全文

摘要：MOS上有关TIMED_STATISTICS参数说明： Init.ora Parameter "TIMED_STATISTICS" Reference Note [ID 30824.1] Health CheckAlert: Consider setting TIMED_STATISTICS and STATISTICS_LEVEL to recommendedlevels [ID 957433.1] Version Parameter Type Modifiable 11.1.0.7 timed_statistics BOOLEAN ALTER SESSION ... 阅读全文

摘要：一.Resumable Space Allocation 说明 从9i开始，Oracle提供了一种避免因为space Error而导致事务异常的操作: resumable spaceallocation. 在Oracle 10g的OCP 考试中有考resumable session 的这个知识点。官网对Resumable的解释： Advantage is forDBAs who are running yearly reports and do not know how much extra disk spaceis required for TEMP, UNDO or DATA tables 阅读全文

摘要：关于Expdp/Impdp 命令的具体使用，在之前的blog里有说明，参考：Oracle expdp/impdp 使用示例http://blog.csdn.net/tianlesoftware/article/details/6260138exp/imp 与 expdp/impdp 对比 及使用中的一些优化事项http://blog.csdn.net/tianlesoftware/article/details/6093973Oracle 客户端 使用expdp/impdp 示例 说明http://blog.csdn.net/tianlesoftware/article/details/707 阅读全文

摘要：在一套DB服务器上运行DBCA 命令，报错：[oracle@game_db ~]$ dbcaException in thread "main" [oracle@game_db ~]$ [oracle@game_db ~]$ exportDISPLAY=1921.68.3.189:0.0[oracle@game_db ~]$ dbcaException in thread "main" 几年都没有遇到这种问题了，起初以为是DISPLAY变量的问题，设置以后也不行，查看了一个DBCA的log 日志：[oracle@game_db scripts]$ cd 阅读全文