更新readme文章链接
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33
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33
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@@ -517,7 +516,6 @@
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</component>
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<component name="VcsManagerConfiguration">
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<MESSAGE value="调整内容格式" />
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<MESSAGE value="更新Hbase的应用" />
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<MESSAGE value="更新Hbase的文章的排版和readme文件" />
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<MESSAGE value="更新Hbase的文章的排版" />
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@@ -542,7 +540,8 @@
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<MESSAGE value="更新 readme 文件,新加入2篇文章的链接" />
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<MESSAGE value="新加入3篇文章" />
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<MESSAGE value="更新readme文件,添加3篇文章的链接" />
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<MESSAGE value="更新readme文件,添加一篇文章链接" />
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@@ -155,7 +155,7 @@
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4. [3道常见的SQL笔试题,你要不要来试试](https://github.com/BigDataScholar/TheKingOfBigData/blob/master/note/%E9%9D%A2%E8%AF%95%E6%9D%80%E6%8B%9B/3%E9%81%93%E5%B8%B8%E8%A7%81%E7%9A%84SQL%E7%AC%94%E8%AF%95%E9%A2%98%EF%BC%8C%E4%BD%A0%E8%A6%81%E4%B8%8D%E8%A6%81%E6%9D%A5%E8%AF%95%E8%AF%95.md)
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5. [系列文章一:精选大数据面试真题10道(混合型)-附答案详细解析](https://mp.weixin.qq.com/s?__biz=MzIzNjM2MDEyNQ==&mid=2247490454&idx=1&sn=df5243b8ff5610b2db4c286b99bcf70b&chksm=e8d84344dfafca529409da02e146c11ad06796eee7bdfba600277614dc298827faeb73b3bb2b&token=1819206302&lang=zh_CN#rd)
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6. [面试系列二:精选大数据面试真题JVM专项-附答案详细解析](https://mp.weixin.qq.com/s?__biz=MzIzNjM2MDEyNQ==&mid=2247490676&idx=1&sn=867b21a21cf74ef1ef17cdc96440da86&chksm=e8d844a6dfafcdb0ab18b4f8fd79421986e35a86de931b3d4604d7a2b15a970e8a7d7eb5b200&token=1819206302&lang=zh_CN#rd)
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7. [看完了108份面试题,我为你总结出了这 10 个【Hive】高频考点(建议收藏)](https://github.com/BigDataScholar/TheKingOfBigData/blob/master/note/%E9%9D%A2%E8%AF%95%E6%9D%80%E6%8B%9B/%E7%9C%8B%E5%AE%8C%E4%BA%86108%E4%BB%BD%E9%9D%A2%E8%AF%95%E9%A2%98%EF%BC%8C%E6%88%91%E4%B8%BA%E4%BD%A0%E6%80%BB%E7%BB%93%E5%87%BA%E4%BA%86%E8%BF%99%2010%20%E4%B8%AA%E3%80%90Hive%E3%80%91%E9%AB%98%E9%A2%91%E8%80%83%E7%82%B9%EF%BC%88%E5%BB%BA%E8%AE%AE%E6%94%B6%E8%97%8F%EF%BC%89.md)
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### 程序人生
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@@ -69,6 +69,7 @@ Order by 和 数据库中的 Order by 功能一致,按照某一个或者字段
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- **Sort By(每个MapReduce排序)**
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sort by并不是全局排序,其在数据进入reducer前完成排序。因此,如果用sort by进行排序,并且设置 mapred.reduce.tasks>1, 则sort by只保证每个reducer的输出有序,不保证全局有序。
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> **拓展:**
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> ①sort by 不受 hive.mapred.mode 是否为strict ,nostrict 的影响
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②sort by 的数据只能保证在同一reduce中的数据可以按指定字段排序
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