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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

若您需要通过AnalyticDB PostgreSQL版访问外部异构数据源（HDFS、Hive和JDBC）时，可以使用异构数据源访问功能将外部数据转换为AnalyticDB PostgreSQL版数据库优化后的格式进行查询和分析。

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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

AnalyticDB MySQL湖仓版（3.0）支持访问Hive数据源。本文以E-MapReduce集群的Hive服务为例，介绍使访问Hive数据的方法。

在机器学习PAI8个字段，140万行数据的hive表读取需要13分钟，有什么好的办法能提高读取速度？

在机器学习PAI8个字段，140万行数据的hive表读取需要13分钟左右，有什么好的办法能提高读取速度呢？加大并行度好像效果也不是很理想。

[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...

那ADB中如何实现类似一行字段为1,2,3,4 炸裂成4行数据，ADB也没看到类似hive的?

那ADB中如何实现类似一行字段为1,2,3,4 炸裂成4行数据，ADB也没看到类似hive的炸裂函数？

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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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