<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[m0_62371702的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/m0_62371702</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; m0_62371702]]></copyright><item><title><![CDATA[HiveSQL常用函数]]></title><link>https://blog.youkuaiyun.com/m0_62371702/article/details/135659643</link><guid>https://blog.youkuaiyun.com/m0_62371702/article/details/135659643</guid><author>m0_62371702</author><pubDate>Sun, 21 Jan 2024 21:43:30 +0800</pubDate><description><![CDATA[用于切割字符串格式: split('参数1','参数2'),这里的参数1为数据,参数2为切割方式细节:参数二可以用正则表达式举例。]]></description><category></category></item><item><title><![CDATA[HiveSQL中的分区与分桶]]></title><link>https://blog.youkuaiyun.com/m0_62371702/article/details/135635604</link><guid>https://blog.youkuaiyun.com/m0_62371702/article/details/135635604</guid><author>m0_62371702</author><pubDate>Tue, 16 Jan 2024 21:42:21 +0800</pubDate><description><![CDATA[分区与分桶不同点:1.分区是分文件夹,而分桶是分文件 2.分区是避免全表扫描,分桶是方便数据采集,减少join次数相同点:它们的最终目的都是为了提升效率。]]></description><category></category></item><item><title><![CDATA[大数据学习之HIVE_SQL DDL(Data Definition Language,数据定义语言)]]></title><link>https://blog.youkuaiyun.com/m0_62371702/article/details/135576443</link><guid>https://blog.youkuaiyun.com/m0_62371702/article/details/135576443</guid><author>m0_62371702</author><pubDate>Sat, 13 Jan 2024 22:03:20 +0800</pubDate><description><![CDATA[语法：分区 partitioned by(分区字段1,类型,[comment '字段的描述信息',分区字段2,类型,[comment '字段的描述信息'],......)[分区 partitioned by(分区字段1,类型,[comment '字段的描述信息',分区字段2,类型,[comment '字段的描述信息'],......)]列名1,列类型,[comment '字段的描述信息'],列名2,列类型,[comment '字段的描述信息'],列名3,列类型,[comment '字段的描述信息']]]></description><category></category></item><item><title><![CDATA[大数据学习之Hadoop]]></title><link>https://blog.youkuaiyun.com/m0_62371702/article/details/135444333</link><guid>https://blog.youkuaiyun.com/m0_62371702/article/details/135444333</guid><author>m0_62371702</author><pubDate>Mon, 08 Jan 2024 13:58:11 +0800</pubDate><description><![CDATA[​​​​​。]]></description><category></category></item><item><title><![CDATA[Linux配置网络和常见问题]]></title><link>https://blog.youkuaiyun.com/m0_62371702/article/details/135418357</link><guid>https://blog.youkuaiyun.com/m0_62371702/article/details/135418357</guid><author>m0_62371702</author><pubDate>Sat, 06 Jan 2024 20:43:02 +0800</pubDate><description><![CDATA[在上一篇文章中我们配置了Linux系统，配置好了我们可能会遇到无法联网问题，这篇文章我们主要说一下我们该怎么去配置我们的网络。]]></description><category></category></item><item><title><![CDATA[VMware虚拟机安装Linux教程]]></title><link>https://blog.youkuaiyun.com/m0_62371702/article/details/135395050</link><guid>https://blog.youkuaiyun.com/m0_62371702/article/details/135395050</guid><author>m0_62371702</author><pubDate>Fri, 05 Jan 2024 00:04:10 +0800</pubDate><description><![CDATA[官方正版下载VMware16下载地址：链接：https://pan.baidu.com/s/1lq8j9ZzqcSCxrynFriV5lA提取码：CXBY直接一直点击下一步，完成安装打开VMwareVMware安装完成。]]></description><category></category></item></channel></rss>