https://blog.youkuaiyun.com/u014158708zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/u014158708/article/details/50474606https://blog.youkuaiyun.com/u014158708/article/details/50474606u014158708Thu, 07 Jan 2016 10:44:39 +0800https://blog.youkuaiyun.com/u014158708/article/details/50130191https://blog.youkuaiyun.com/u014158708/article/details/50130191u014158708Tue, 01 Dec 2015 15:31:13 +0800https://blog.youkuaiyun.com/u014158708/article/details/49742143https://blog.youkuaiyun.com/u014158708/article/details/49742143u014158708Mon, 09 Nov 2015 18:16:51 +0800https://blog.youkuaiyun.com/u014158708/article/details/49738505https://blog.youkuaiyun.com/u014158708/article/details/49738505u014158708Mon, 09 Nov 2015 14:52:18 +0800https://blog.youkuaiyun.com/u014158708/article/details/49737791https://blog.youkuaiyun.com/u014158708/article/details/49737791u014158708Mon, 09 Nov 2015 14:04:19 +0800https://blog.youkuaiyun.com/u014158708/article/details/49724555https://blog.youkuaiyun.com/u014158708/article/details/49724555u014158708Sun, 08 Nov 2015 23:08:59 +0800https://blog.youkuaiyun.com/u014158708/article/details/49683941https://blog.youkuaiyun.com/u014158708/article/details/49683941u014158708Fri, 06 Nov 2015 15:46:02 +0800https://blog.youkuaiyun.com/u014158708/article/details/49683897https://blog.youkuaiyun.com/u014158708/article/details/49683897u014158708Fri, 06 Nov 2015 15:42:52 +0800https://blog.youkuaiyun.com/u014158708/article/details/49666253https://blog.youkuaiyun.com/u014158708/article/details/49666253u014158708Thu, 05 Nov 2015 18:19:09 +0800比较均值—>单样本T检验 适用：单个变量的均值是否与指定常数不同； 场景：如某班级今年期末考试成绩的平均分？=(是否等于)去年考试的平均分提供检验值，即举例中的“平均分”选项设置按分析顺序移除个案：每个T检验均使用对于检验的变量具有有效数据的全部个案]]>https://blog.youkuaiyun.com/u014158708/article/details/49662777https://blog.youkuaiyun.com/u014158708/article/details/49662777u014158708Thu, 05 Nov 2015 14:56:15 +0800https://blog.youkuaiyun.com/u014158708/article/details/49585561https://blog.youkuaiyun.com/u014158708/article/details/49585561u014158708Mon, 02 Nov 2015 13:53:44 +0800https://blog.youkuaiyun.com/u014158708/article/details/49514437https://blog.youkuaiyun.com/u014158708/article/details/49514437u014158708Fri, 30 Oct 2015 17:25:31 +0800https://blog.youkuaiyun.com/u014158708/article/details/49508431https://blog.youkuaiyun.com/u014158708/article/details/49508431u014158708Fri, 30 Oct 2015 11:16:57 +0800https://blog.youkuaiyun.com/u014158708/article/details/49335675https://blog.youkuaiyun.com/u014158708/article/details/49335675u014158708Thu, 22 Oct 2015 16:50:07 +0800https://blog.youkuaiyun.com/u014158708/article/details/49277153https://blog.youkuaiyun.com/u014158708/article/details/49277153u014158708Tue, 20 Oct 2015 14:42:52 +0800https://blog.youkuaiyun.com/u014158708/article/details/49126039https://blog.youkuaiyun.com/u014158708/article/details/49126039u014158708Wed, 14 Oct 2015 15:41:15 +0800select 1 from lxw_dual where 1=1;          1 2. 不等值比较:          语]]>https://blog.youkuaiyun.com/u014158708/article/details/49122623https://blog.youkuaiyun.com/u014158708/article/details/49122623u014158708Wed, 14 Oct 2015 11:24:38 +0800https://blog.youkuaiyun.com/u014158708/article/details/49099159https://blog.youkuaiyun.com/u014158708/article/details/49099159u014158708Tue, 13 Oct 2015 15:25:39 +0800https://blog.youkuaiyun.com/u014158708/article/details/49077777https://blog.youkuaiyun.com/u014158708/article/details/49077777u014158708Mon, 12 Oct 2015 18:21:55 +0800 set hive.cli.print.current.db=true; ̶ 切换当前的数据库 hive(default)> USE hduser4801; ̶ 使Hive显示列头 set hive.]]>https://blog.youkuaiyun.com/u014158708/article/details/48809359https://blog.youkuaiyun.com/u014158708/article/details/48809359u014158708Tue, 29 Sep 2015 17:44:30 +0800