在大数据处理领域，Flink SQL 以其强大的功能和简洁的语法，成为了众多开发者的首选。然而，要写出简单高效的 Flink SQL 并非易事。在这篇文章中，我将分享一些实用的技巧和最佳实践。首先，深入理解数据的特点和业务需求至关重要。只有清楚地知道数据的来源、格式、规模以及处理的目标，才能针对性地编写高效的 ...

问答 2023-09-12 来自：开发者社区

Flink CDC请问可以使用flink sql实现dwd到dws，dws到ads数据处理吗?

Flink CDC实时数仓构建过程中，如果将dwd、dws、ads层数据都放到doris中，请问可以使用flink sql实现dwd到dws，dws到ads数据处理吗? 好像flink没法监听doris中数据的cdc哇,或有其他简单方式实现dwd到dws，再dws到ads吗？

问答 2022-02-15 来自：开发者社区

[@talishboy][¥20]我想知道 flink sql 能不能解决通用的数据处理问题？ flink sql 会不会将一条SQL 解析后拆分为多个算子，将这个SQL并发的执行在集群上面。但是像是 map() 之类的数据变换不能很方便的用SQL表达出来，这种情况下，会如何处理？

问题来自Java技术沙龙的冯明潇Java技术沙龙报名链接：https://yq.aliyun.com/promotion/796

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更新时间 2024-09-08 08:57:21

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