[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