flink sql cdc 同步 oracle到Doris报错提示，flink是1.16，cdc是2.3，oracle是19c，报错：Caused by: java.sql.SQLException: No suitable driver found for jdbc:oracle:thin:xxxx但是又能同步数据，奇怪的很

问答 2024-07-31 来自：开发者社区

Flink sql cdc 增量聚合有文档吗？比如说基于CDC，算交易额的汇总

问答 2024-05-28 来自：开发者社区

flink sql mysql cdc，虚拟流表中出现上游表没有的字段，不报错怎么办？

flink sql mysql cdc，虚拟流表中出现上游表没有的字段，不报错？

问答 2024-05-28 来自：开发者社区

flink sql配了5个mysql cdc表，如何避免这种情况？

请教一个问题，flink sql配了5个mysql cdc表，并且join后产生宽表，sink到kafka。当一个表的某个字段值被改变，会往kafka发送多条数据，导致下游消费会计算多次，如何避免这种情况？

文章 2024-05-23 来自：开发者社区

实时计算 Flink版产品使用合集之SQL Server CDC是否支持抽取SQL Server视图

问题一：Flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？ Flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？ JSON_QUERY('{"a":[{"c":"c1"},{"c":"c2"}]}', 'lax $.a[*].c') 这个内置函数返回的是string: '["c1","...

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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