BlogJava-Decode360's Blog-随笔分类-12.Certifiedhttp://www.blogjava.net/decode360/category/40031.html业精于勤而荒于嬉 QQ:150355677 MSN:decode360@hotmail.comzh-cnThu, 27 Aug 2009 14:40:43 GMTThu, 27 Aug 2009 14:40:43 GMT60OCA Assessment Testhttp://www.blogjava.net/decode360/archive/2009/07/21/287771.htmldecode360decode360Tue, 21 Jul 2009 12:46:00 GMThttp://www.blogjava.net/decode360/archive/2009/07/21/287771.htmlhttp://www.blogjava.net/decode360/comments/287771.htmlhttp://www.blogjava.net/decode360/archive/2009/07/21/287771.html#Feedback0http://www.blogjava.net/decode360/comments/commentRss/287771.htmlhttp://www.blogjava.net/decode360/services/trackbacks/287771.html阅读全文

decode360 2009-07-21 20:46 发表评论
]]>“无损连接”的判定方法http://www.blogjava.net/decode360/archive/2009/05/12/292699.htmldecode360decode360Tue, 12 May 2009 14:19:00 GMThttp://www.blogjava.net/decode360/archive/2009/05/12/292699.htmlhttp://www.blogjava.net/decode360/comments/292699.htmlhttp://www.blogjava.net/decode360/archive/2009/05/12/292699.html#Feedback0http://www.blogjava.net/decode360/comments/commentRss/292699.htmlhttp://www.blogjava.net/decode360/services/trackbacks/292699.html  阅读全文

decode360 2009-05-12 22:19 发表评论
]]>分布式数据库系统(DDBS)概述[转]http://www.blogjava.net/decode360/archive/2009/05/11/292698.htmldecode360decode360Mon, 11 May 2009 13:13:00 GMThttp://www.blogjava.net/decode360/archive/2009/05/11/292698.htmlhttp://www.blogjava.net/decode360/comments/292698.htmlhttp://www.blogjava.net/decode360/archive/2009/05/11/292698.html#Feedback0http://www.blogjava.net/decode360/comments/commentRss/292698.htmlhttp://www.blogjava.net/decode360/services/trackbacks/292698.html
　　分布式数据库系统有两种：一种是物理上分布的，但逻辑上却是集中的。这种分布式数据库只适宜用途比较单一的、不大的单位或部门。另一种分布式数据库系统在物理上和逻辑上都是分布的，也就是所谓联邦式分布数据库系统。由于组成联邦的各个子数据库系统是相对“自治”的，这种系统可以容纳多种不同用途的、差异较大的数据库，比较适宜于大范围内数据库的集成。  阅读全文

decode360 2009-05-11 21:13 发表评论
]]>元组关系演算http://www.blogjava.net/decode360/archive/2009/04/24/292686.htmldecode360decode360Fri, 24 Apr 2009 15:31:00 GMThttp://www.blogjava.net/decode360/archive/2009/04/24/292686.htmlhttp://www.blogjava.net/decode360/comments/292686.htmlhttp://www.blogjava.net/decode360/archive/2009/04/24/292686.html#Feedback0http://www.blogjava.net/decode360/comments/commentRss/292686.htmlhttp://www.blogjava.net/decode360/services/trackbacks/292686.html  阅读全文

decode360 2009-04-24 23:31 发表评论
]]>数据流图的设计方法http://www.blogjava.net/decode360/archive/2009/04/23/292684.htmldecode360decode360Thu, 23 Apr 2009 14:56:00 GMThttp://www.blogjava.net/decode360/archive/2009/04/23/292684.htmlhttp://www.blogjava.net/decode360/comments/292684.htmlhttp://www.blogjava.net/decode360/archive/2009/04/23/292684.html#Feedback0http://www.blogjava.net/decode360/comments/commentRss/292684.htmlhttp://www.blogjava.net/decode360/services/trackbacks/292684.html阅读全文

decode360 2009-04-23 22:56 发表评论
]]>事务的隔离性研究[转]http://www.blogjava.net/decode360/archive/2009/04/21/292683.htmldecode360decode360Tue, 21 Apr 2009 14:45:00 GMThttp://www.blogjava.net/decode360/archive/2009/04/21/292683.htmlhttp://www.blogjava.net/decode360/comments/292683.htmlhttp://www.blogjava.net/decode360/archive/2009/04/21/292683.html#Feedback0http://www.blogjava.net/decode360/comments/commentRss/292683.htmlhttp://www.blogjava.net/decode360/services/trackbacks/292683.html  阅读全文

decode360 2009-04-21 22:45 发表评论
]]>并发控制和锁http://www.blogjava.net/decode360/archive/2009/04/20/292682.htmldecode360decode360Mon, 20 Apr 2009 15:21:00 GMThttp://www.blogjava.net/decode360/archive/2009/04/20/292682.htmlhttp://www.blogjava.net/decode360/comments/292682.htmlhttp://www.blogjava.net/decode360/archive/2009/04/20/292682.html#Feedback0http://www.blogjava.net/decode360/comments/commentRss/292682.htmlhttp://www.blogjava.net/decode360/services/trackbacks/292682.html阅读全文

decode360 2009-04-20 23:21 发表评论
]]>事务并发调度问题http://www.blogjava.net/decode360/archive/2009/04/18/292681.htmldecode360decode360Sat, 18 Apr 2009 13:14:00 GMThttp://www.blogjava.net/decode360/archive/2009/04/18/292681.htmlhttp://www.blogjava.net/decode360/comments/292681.htmlhttp://www.blogjava.net/decode360/archive/2009/04/18/292681.html#Feedback0http://www.blogjava.net/decode360/comments/commentRss/292681.htmlhttp://www.blogjava.net/decode360/services/trackbacks/292681.html阅读全文

decode360 2009-04-18 21:14 发表评论
]]>数据库关系代数表达式学习http://www.blogjava.net/decode360/archive/2009/04/15/292362.htmldecode360decode360Wed, 15 Apr 2009 14:12:00 GMThttp://www.blogjava.net/decode360/archive/2009/04/15/292362.htmlhttp://www.blogjava.net/decode360/comments/292362.htmlhttp://www.blogjava.net/decode360/archive/2009/04/15/292362.html#Feedback0http://www.blogjava.net/decode360/comments/commentRss/292362.htmlhttp://www.blogjava.net/decode360/services/trackbacks/292362.html  阅读全文

decode360 2009-04-15 22:12 发表评论
]]>数据库 设计范式 深入浅出[转]http://www.blogjava.net/decode360/archive/2009/04/14/292349.htmldecode360decode360Tue, 14 Apr 2009 13:32:00 GMThttp://www.blogjava.net/decode360/archive/2009/04/14/292349.htmlhttp://www.blogjava.net/decode360/comments/292349.htmlhttp://www.blogjava.net/decode360/archive/2009/04/14/292349.html#Feedback0http://www.blogjava.net/decode360/comments/commentRss/292349.htmlhttp://www.blogjava.net/decode360/services/trackbacks/292349.html阅读全文

decode360 2009-04-14 21:32 发表评论
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