Oracle Rowid 介绍
摘要:
一. 官网说明 owid的定义:A globally unique address for a row in a database. rowid 分为extended rowid 和 restricted rowied.1.1 Restricted ROWID Internally, the ROWID is a structure that holds information that the database server needs to access a row. The restricted internal ROWID is 6 bytes on most platforms. E 阅读全文
posted @ 2009-12-16 19:34 spring3mvc学习笔记 阅读(269) 评论(0) 推荐(0)
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