[转]卢彦——国人为什么这么轻视技术?
靠。。。?我实在是想不出来了,如果你想到什么可以不用靠技术来主导的成功创业方法,请麻烦告诉我一下。网上搜索一下,到处都是“过来人”的谆谆教导我们不要过分重视技术。技术的确不是创业成功的唯一原因,也的确...
[转自TOM]如何定位引起Library cache latch contention 的SQL
Lbrary cache latch contention is typically caused by NOT using bind variables. It is due to excessive parsing of statements.One way to see if this might be the case in your situation is to run a scri...
11g physical standby , change prrotect mode, ORA-16072
物理standby,主库保护模式由maximize performance 切换到 maximize protection。出现ORA-16072[@more@]1 问题描述SQL>SQL> select protection_mode from v$database;PROTECTION_MODE----------------------------------------MAXIMUM PERFORMANCESQL>SQL> shutdown immediate数据库已经关闭。已经卸载数据库。ORACLE 例程已经关闭。SQL>SQL> startup mountORACLE 例程已经启动。Total System Global Area 535662592 bytesFixed Size 1334380 bytesVariable Size 268436372 bytesDatabas
清明游后海逢雨
今年北京的春天来的特别晚,清明节也只有一点点的绿意。迎春花开了,柳树半绿。今天是最后一天节日,与好友icehill相约同游后海。虽说是下午2点才到,游人毕竟不少。阵阵微风吹皱一池春水,春风拂面感觉比较惬意,一切的事情都抛诸脑后。行至一半,传来一阵美妙的琴声,循声望去,湖边有一少年正在弹奏古琴,一曲《苍海一声笑》不知勾起多少回忆?!让人感慨飘在北京就如行在江湖,保有一份宽博的胸怀,倘不如意时也能爽朗一笑,是何等的淡定与豁达。[@more@]过了银锭桥,两人感觉都有些脚累,旁边酒吧的活计就是眼里有活,招呼过来。于是
10g物理standby:ARCHIVELOG REJECTED BY RFS
Bug No. 5957651 Filed 27-MAR-2007 Updated 19-APR-2007 Product Oracle Server - Enterprise Edition Product Version 10.2.0.2 Platform Linux x86-64 Platform Version No Data Database Version 10.2.0.2 Affects Platforms Generic Severity Severe Loss of Service Status Description Phase Base Bug N/A Fixed in Product Version No Data Problem statement:ORA-16401: ARCHIVELOG REJECTED BY RFS [@more@]*** 03/27/07 12:43 pm *** TAR:---- 6224167.993 . PROBLEM:-------- The customer recieves all the time errors: ORA
2009年元旦总结
2009总体来说,有三件事情可以总结。第一,在技术上实现了从Oracle到DB2的转变。通过了DB2 V9.5 高级DBA认证。Oracle退居到2线支持。第二,开始由DBA转换到SAP ECC Basis。[@more@]最后,单身。