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阿里云E-MapReduce通过外部Mysql JDBC Catalog来创建异步物化视图，可以正常创建。但是查看刷新物化视图任务是失败状态，报错：java.lang.IllegalStateException: corrupted partition meta，且此时直接查询该外部表数据是空的（实...

[帮助文档] 如何使用E-MapReduce上的Hive关联阿里云HBase的表

阿里云HBase需要借助外部Hive对多表进行关联分析，本文介绍如何使用E-MapReduce（简称EMR）上的Hive关联阿里云HBase的表。

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[帮助文档] 通过EMR控制台或DataWorks迁移助手

DataWorks目前仅支持绑定E-MapReduce（简称EMR）的新版集群（即DataLake新版数据湖集群），原有涉及旧版集群的项目需通过迁移方式，移至DataWorks进行数据开发。本文为您介绍，如何通过一键迁移方式及文件导入导出方式，将EMR项目迁移至DataWorks工作空间。

阿里云E-MapReduce如何解决实时同步过程中？

阿里云E-MapReduce如何解决实时同步过程中？源端表结构发生变化后 starrocks数仓ods层表结构也同时变更。例如 user表增加新字段、或者修改了字段属性，可以让starrocks自动感知到并根据不同情况而实现变更，同时不影响实时同步流程

[帮助文档] 阿里云E-MapReduce的退款规则和退款方式

本文介绍阿里云E-MapReduce的退款规则和退款方式。

[帮助文档] 阿里云E-MapReduce如何计费

本文介绍阿里云E-MapReduce的计费项、计费方式、转换计费方式、续费说明、欠费说明、查看消费明细、退费说明、查看账单和计费常见问题。

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