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本文以MySQL为源端，Hive为目标端场景为例，为您介绍如何把MySQL整个数据库的数据离线同步到Hive。

[帮助文档] AnalyticDB PostgreSQL读写HDFS、Hive或MySQL外部数据

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[帮助文档] 通过MMA迁移Hive数据至MaxCompute

MaxCompute提供的数据迁移服务支持通过MMA（MaxCompute Migration Assist）服务，将Hive数据安全且高效地迁移到MaxCompute。

[帮助文档] 如何使用AnalyticDB MySQL湖仓版（3.0）Spark访问Hive数据

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[帮助文档] Dataphin如何解决从SAPHANA向Hive同步数据后数据精度丢失

问题描述Dataphin中从SAP HANA向Hive同步数据，数据精度丢失。SAP HANA中字段是decimal(11,2)。同步到Hive后，小数丢失，只有整数。问题原因从Hive中表结构可以看出，字段定义的是decimal(10,0)格式，因此同步到Hive数据只有整数。解决方案修改Hive...

【hive】（电影推荐系统的数据）在hive中创表，并导入数据，同时取出自己想要的数据

目标将本地表导入hive中，并完成一系列的查询我这里一共有四个表，分别是 movies ratings tags links，分别如下一、在HDFS中创建文件夹二、将本地的四张表上传到新建文件夹中，并检验是否成功导入三、在hive中创表，并将数据导入1.查有哪些数据库，接着创建新的数据库，并使用相...

使用HIVE SQL实现推荐系统数据补全

需求在推荐系统场景中，如果基础行为数据太少，或者过于稀疏，通过推荐算法计算得出的推荐结果很可能达不到要求的数量。比如，希望针对每个item或user推荐20个item，但是通过计算只得到8个，剩下的12个就需要补全。策略数据补全的具体策略是：补全时机：在挖掘计算结束后，挖掘结果导入HBas...

【甘道夫】使用HIVE SQL实现推荐系统数据补全

需求在推荐系统场景中，假设基础行为数据太少，或者过于稀疏，通过推荐算法计算得出的推荐结果非常可能达不到要求的数量。比方，希望针对每一个item或user推荐20个item，可是通过计算仅仅得到8个。剩下的12个就须要补全。欢迎转载，请注明出处： http://blog.csdn.net/u01...

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开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

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EMR实时计算实践