catchwo的个人空间 http://space.itpub.net/80689 Copyright(C) catchwo的个人空间 SupeSite/X-Space Sat, 30 Aug 2008 06:02:45 GMT ORA_ROWSCN 基于行/块时SERIALIZABLE级别事务的不同特征(ORA-08177原因完全解析) http://space.itpub.net/80689/viewspace-179652
Serializable isolation permits concurrent transactions to make only those database
changes they could have made if the transactions had been scheduled to run one after
another. Specifically, Or...]]> blog catchwo Wed, 20 Feb 2008 21:39:24 GMT 关于共享段与SGA的一点理解 http://space.itpub.net/80689/viewspace-179651
一 各类地址概念

1 逻辑地址：我们一般在用汇编语言写程序时可能用到 seg register ：offset
2 线形地址：0x00000000~0xffffffff，用来描述进程的地址空间
3 x...]]> blog catchwo Wed, 20 Feb 2008 21:38:35 GMT