﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>BlogJava-前方的路-随笔分类-数据库</title><link>http://www.blogjava.net/Carter0618/category/44679.html</link><description /><language>zh-cn</language><lastBuildDate>Wed, 14 Apr 2010 09:52:30 GMT</lastBuildDate><pubDate>Wed, 14 Apr 2010 09:52:30 GMT</pubDate><ttl>60</ttl><item><title>Oracle Flashback 技术 总结（转）</title><link>http://www.blogjava.net/Carter0618/archive/2010/04/14/318280.html</link><dc:creator>前方的路</dc:creator><author>前方的路</author><pubDate>Wed, 14 Apr 2010 09:38:00 GMT</pubDate><guid>http://www.blogjava.net/Carter0618/archive/2010/04/14/318280.html</guid><wfw:comment>http://www.blogjava.net/Carter0618/comments/318280.html</wfw:comment><comments>http://www.blogjava.net/Carter0618/archive/2010/04/14/318280.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/Carter0618/comments/commentRss/318280.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/Carter0618/services/trackbacks/318280.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Flashback 技术是以Undo segment中的内容为基础的， 因此受限于UNDO_RETENTON参数。要使用flashback 的特性，必须启用自动撤销管理表空间。<br>在Oracle 10g中， Flash back家族分为以下成员： Flashback Database， Flashback Drop，Flashback Query(分Flashback Query,Flashback Version Query， Flashback Transaction Query 三种) 和Flashback Table。&nbsp;&nbsp;<a href='http://www.blogjava.net/Carter0618/archive/2010/04/14/318280.html'>阅读全文</a><img src ="http://www.blogjava.net/Carter0618/aggbug/318280.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/Carter0618/" target="_blank">前方的路</a> 2010-04-14 17:38 <a href="http://www.blogjava.net/Carter0618/archive/2010/04/14/318280.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>