问题一：如果使用flink sql的left join，右表出现部分关联不上的情况，应该怎么处理好？请问下，如果使用flink sql的left join，右表出现部分关联不上的情况，应该怎么处理好一点哈？参考答案：在使用Flink SQL的LEFT JOIN时，如果右表出现部分关联不上的情况，可以考虑以下几种处理方式：使用...

问答 2022-02-15 来自：开发者社区

阿里云实时计算 Flink提供的编程接口是什么？如何编写流式数据处理逻辑？

阿里云实时计算 Flink提供Flink SQL编写业务逻辑，为流式数据分析定制多种数据处理函数和操作符。

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更新时间 2024-07-17 09:13:57

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

立即开通

产品控制台

产品文档

实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优