sqoop SQL数据的相关内容

文章 2024-10-13 来自：开发者社区

Hadoop-24 Sqoop迁移 MySQL到Hive 与 Hive到MySQL SQL生成数据 HDFS集群 Sqoop import jdbc ETL MapReduce

章节内容上节我们完成了如下的内容： Sqoop 部分导入数据 --query Sqoop 部分导入数据 --where 记录执行过程和执行结果背景介绍这里是三台公网云服务器，每台 2C4G，搭建一个Hadoop的学习环境，供我学习。之前已经在 VM 虚拟机上搭建过一次，但是没留下笔记，这次趁着前几天薅羊毛的3台机器，赶紧尝...

文章 2022-02-16 来自：开发者社区

Sqoop：SQL与NoSQL间的数据桥梁

SQL处理二维表格数据，是一种最朴素的工具，NoSQL是Not Only SQL，即不仅仅是SQL。从MySQL导入数据到HDFS文件系统中，最简单的一种方式就是使用Sqoop，然后将HDFS中的数据和Hive建立映射。通过Sqoop作为数据桥梁，将传统的数据也存入到NoSQL中来了，有了数据，猴戏才刚刚开始。猴年伊始 SQL处理二维表格数据，是一种最朴素的工具，查询、更新、修改、删除这四种对....

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更新时间 2024-10-14 10:15:02

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