﻿<?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>博客园-勇于挑战~突破自我~-随笔分类-Oracle学习交流</title><link>http://www.cnblogs.com/ZHF/category/133809.html</link><description>一切皆有可能</description><language>zh-cn</language><lastBuildDate>Sat, 11 Oct 2008 02:23:36 GMT</lastBuildDate><pubDate>Sat, 11 Oct 2008 02:23:36 GMT</pubDate><ttl>60</ttl><item><title>Oracle自增字段实现方法</title><link>http://www.cnblogs.com/ZHF/archive/2008/10/10/1307846.html</link><dc:creator>zhangfeng</dc:creator><author>zhangfeng</author><pubDate>Fri, 10 Oct 2008 02:57:00 GMT</pubDate><guid>http://www.cnblogs.com/ZHF/archive/2008/10/10/1307846.html</guid><wfw:comment>http://www.cnblogs.com/ZHF/comments/1307846.html</wfw:comment><comments>http://www.cnblogs.com/ZHF/archive/2008/10/10/1307846.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ZHF/comments/commentRss/1307846.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ZHF/services/trackbacks/1307846.html</trackback:ping><description><![CDATA[摘要: 1、先创建一个表testCREATE&nbsp;TABLE&nbsp;test&nbsp;(index&nbsp;&nbsp;&nbsp;NUMBER（9，0）&nbsp;&nbsp;&nb...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ZHF/archive/2008/10/10/1307846.html'>阅读全文</a><img src ="http://www.cnblogs.com/ZHF/aggbug/1307846.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Union与Union All的区别</title><link>http://www.cnblogs.com/ZHF/archive/2008/09/25/1298555.html</link><dc:creator>zhangfeng</dc:creator><author>zhangfeng</author><pubDate>Thu, 25 Sep 2008 02:34:00 GMT</pubDate><guid>http://www.cnblogs.com/ZHF/archive/2008/09/25/1298555.html</guid><wfw:comment>http://www.cnblogs.com/ZHF/comments/1298555.html</wfw:comment><comments>http://www.cnblogs.com/ZHF/archive/2008/09/25/1298555.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ZHF/comments/commentRss/1298555.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ZHF/services/trackbacks/1298555.html</trackback:ping><description><![CDATA[摘要: &nbsp;如果我们需要将两个select语句的结果作为一个整体显示出来，我们就需要用到union或者unionall关键字。union(或称为联合)的作用是将多个结果合并在一起显示出来。u...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ZHF/archive/2008/09/25/1298555.html'>阅读全文</a><img src ="http://www.cnblogs.com/ZHF/aggbug/1298555.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Oracle 创建自增字段的方法—使用序列方法</title><link>http://www.cnblogs.com/ZHF/archive/2008/09/24/1297713.html</link><dc:creator>zhangfeng</dc:creator><author>zhangfeng</author><pubDate>Wed, 24 Sep 2008 01:51:00 GMT</pubDate><guid>http://www.cnblogs.com/ZHF/archive/2008/09/24/1297713.html</guid><wfw:comment>http://www.cnblogs.com/ZHF/comments/1297713.html</wfw:comment><comments>http://www.cnblogs.com/ZHF/archive/2008/09/24/1297713.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ZHF/comments/commentRss/1297713.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ZHF/services/trackbacks/1297713.html</trackback:ping><description><![CDATA[摘要: 在Oracle中sequence就是所谓的序列号，每次取的时候它会自动增加，一般用在需要按序列号排序的地方。1、CreateSequence你首先要有createsequence或者c...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ZHF/archive/2008/09/24/1297713.html'>阅读全文</a><img src ="http://www.cnblogs.com/ZHF/aggbug/1297713.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Oracle 中 decode 函数用法</title><link>http://www.cnblogs.com/ZHF/archive/2008/09/12/1289619.html</link><dc:creator>zhangfeng</dc:creator><author>zhangfeng</author><pubDate>Fri, 12 Sep 2008 01:05:00 GMT</pubDate><guid>http://www.cnblogs.com/ZHF/archive/2008/09/12/1289619.html</guid><wfw:comment>http://www.cnblogs.com/ZHF/comments/1289619.html</wfw:comment><comments>http://www.cnblogs.com/ZHF/archive/2008/09/12/1289619.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ZHF/comments/commentRss/1289619.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ZHF/services/trackbacks/1289619.html</trackback:ping><description><![CDATA[摘要: 含义解释：decode(条件,值1,返回值1,值2,返回值2,...值n,返回值n,缺省值)该函数的含义如下：IF条件=值1THEN　　　　RETURN(翻译值1)ELSIF...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ZHF/archive/2008/09/12/1289619.html'>阅读全文</a><img src ="http://www.cnblogs.com/ZHF/aggbug/1289619.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Oracle中start with...connect by prior子句用法</title><link>http://www.cnblogs.com/ZHF/archive/2008/09/10/1288101.html</link><dc:creator>zhangfeng</dc:creator><author>zhangfeng</author><pubDate>Wed, 10 Sep 2008 01:24:00 GMT</pubDate><guid>http://www.cnblogs.com/ZHF/archive/2008/09/10/1288101.html</guid><wfw:comment>http://www.cnblogs.com/ZHF/comments/1288101.html</wfw:comment><comments>http://www.cnblogs.com/ZHF/archive/2008/09/10/1288101.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ZHF/comments/commentRss/1288101.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ZHF/services/trackbacks/1288101.html</trackback:ping><description><![CDATA[摘要: connectby是结构化查询中用到的，其基本语法是：select...fromtablenamestartwith&nbsp;条件1connectby&nbsp;条件2...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ZHF/archive/2008/09/10/1288101.html'>阅读全文</a><img src ="http://www.cnblogs.com/ZHF/aggbug/1288101.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Oracle中LPAD和RPAD的用法</title><link>http://www.cnblogs.com/ZHF/archive/2008/09/10/1288078.html</link><dc:creator>zhangfeng</dc:creator><author>zhangfeng</author><pubDate>Wed, 10 Sep 2008 01:07:00 GMT</pubDate><guid>http://www.cnblogs.com/ZHF/archive/2008/09/10/1288078.html</guid><wfw:comment>http://www.cnblogs.com/ZHF/comments/1288078.html</wfw:comment><comments>http://www.cnblogs.com/ZHF/archive/2008/09/10/1288078.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ZHF/comments/commentRss/1288078.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ZHF/services/trackbacks/1288078.html</trackback:ping><description><![CDATA[摘要: LPAD和RPAD的用法SELECTLPAD('B',10,'-')||字段名FROM表1;在B的左边插入10个'-'字符.SELECTRPAD('B',10,'-')...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ZHF/archive/2008/09/10/1288078.html'>阅读全文</a><img src ="http://www.cnblogs.com/ZHF/aggbug/1288078.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Oracle查询某个字段的第一个字为汉字的查询方法</title><link>http://www.cnblogs.com/ZHF/archive/2008/09/01/1281376.html</link><dc:creator>zhangfeng</dc:creator><author>zhangfeng</author><pubDate>Mon, 01 Sep 2008 09:30:00 GMT</pubDate><guid>http://www.cnblogs.com/ZHF/archive/2008/09/01/1281376.html</guid><wfw:comment>http://www.cnblogs.com/ZHF/comments/1281376.html</wfw:comment><comments>http://www.cnblogs.com/ZHF/archive/2008/09/01/1281376.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ZHF/comments/commentRss/1281376.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ZHF/services/trackbacks/1281376.html</trackback:ping><description><![CDATA[摘要: ASCII字符表ASCII码大致可以分作三部分組成。第一部分由00H到1FH共32个，一般用来通讯或作为控制之用，有些字符可显示于屏幕，有些则无法显示在屏幕上，但能看到其效果(...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ZHF/archive/2008/09/01/1281376.html'>阅读全文</a><img src ="http://www.cnblogs.com/ZHF/aggbug/1281376.html?type=1" width = "1" height = "1" />]]></description></item><item><title>oracle 多个查询语句结果合并</title><link>http://www.cnblogs.com/ZHF/archive/2008/07/21/1247930.html</link><dc:creator>zhangfeng</dc:creator><author>zhangfeng</author><pubDate>Mon, 21 Jul 2008 11:31:00 GMT</pubDate><guid>http://www.cnblogs.com/ZHF/archive/2008/07/21/1247930.html</guid><wfw:comment>http://www.cnblogs.com/ZHF/comments/1247930.html</wfw:comment><comments>http://www.cnblogs.com/ZHF/archive/2008/07/21/1247930.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ZHF/comments/commentRss/1247930.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ZHF/services/trackbacks/1247930.html</trackback:ping><description><![CDATA[摘要: 在开发环境中遇到这样关于数据库的问题有三个不同的查询语句1：selectyear_mon,sum(gasmon)fromawhereid='HBsRf0t6UI'...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ZHF/archive/2008/07/21/1247930.html'>阅读全文</a><img src ="http://www.cnblogs.com/ZHF/aggbug/1247930.html?type=1" width = "1" height = "1" />]]></description></item><item><title>oracle通配符,运算符的使用</title><link>http://www.cnblogs.com/ZHF/archive/2008/04/29/1175527.html</link><dc:creator>zhangfeng</dc:creator><author>zhangfeng</author><pubDate>Tue, 29 Apr 2008 00:33:00 GMT</pubDate><guid>http://www.cnblogs.com/ZHF/archive/2008/04/29/1175527.html</guid><wfw:comment>http://www.cnblogs.com/ZHF/comments/1175527.html</wfw:comment><comments>http://www.cnblogs.com/ZHF/archive/2008/04/29/1175527.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.cnblogs.com/ZHF/comments/commentRss/1175527.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ZHF/services/trackbacks/1175527.html</trackback:ping><description><![CDATA[摘要: 用于where比较条件的有：&nbsp;&nbsp;&nbsp;&nbsp;等于：=、&lt;、&lt;=、&gt;、&gt;=、&lt;&gt;&nbsp;&nbsp;&nbsp;&nbs...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ZHF/archive/2008/04/29/1175527.html'>阅读全文</a><img src ="http://www.cnblogs.com/ZHF/aggbug/1175527.html?type=1" width = "1" height = "1" />]]></description></item></channel></rss>