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阿里云数据库内核 Apache Doris 兼容 Presto、Trino、ClickHouse、Hive 等近十种 SQL 方言，助力业务平滑迁移

2023 年 3 月，在阿里云瑶池数据库峰会上，阿里云与飞轮科技正式达成战略合作协议，双方旨在共同研发名为“阿里云数据库 SelectDB 版”的新一代实时数据仓库，为用户提供在阿里云上的全托管服务。SelectDB 是飞轮科技基于 Apache Doris 内核打造的聚焦于企业大数据实时分析需求的...

大数据计算MaxCompute我开启了hive兼容,但是这个和hive、spark的有差异，为什么？

大数据计算MaxCompute我开启了hive兼容,但是这个和hive、spark的有差异，这个函数我其它两个产品都用过，别人都是连起来的字段如果中间某个字段是null，是用空白替换，整个字段数量是不变的，结果MC这里导致字段数量少了，非得加nvl判断下。。。

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大数据计算MaxCompute再加上2.0数据类型和hive兼容开关？

odps日期相关的函数有什么配置能兼容hive语法吗？提供的内置函数，类型都太严格了，有点难用。

如何查看spark与hadoop、kafka、Scala、flume、hive等兼容版本【适用于任何版本】

方法当我们安装spark的时候，很多时候都会遇到这个问题,如何找到对应spark的各个组件的版本，找到比较标准的版本兼容信息。答案在spark源码中的pom文件。首先我们从官网下载源码。进入官网http://spark.apache.org选择download，然后我们看到下面内容# Master ...

E-MapReduce中Hive版本和Spark版本是否兼容

请问hologres里的hive兼容函数，get_json_object为什么不支持常量入参？

麻烦问下，已经设置兼容hive了但是运行日志还是报错显示解析不到collect_set这个函数

如题

Hive和parquet兼容处理的原则是什么？

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更新时间 2024-03-23 01:56:42

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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