实时计算 Flink版cdc主键的相关内容

问答 2023-11-16 来自：开发者社区

在Flink CDC中，使用Oracle 11g数据库的NUMBER类型作为主键

在Flink CDC中，使用Oracle 11g数据库的NUMBER类型作为主键，并更新数据以捕获变更应该是正常的。Flink CDC是用于捕获和处理数据库变化的框架，它支持多种数据库类型，包括Oracle。在Oracle 11g数据库中，NUMBER类型是一种数值类型，可以用于主键列。当你在Flink CDC...

问答 2023-11-07 来自：开发者社区

flink cdc delete主键删除源表一条记录，目标表未删除数据问题

flink cdc delete源表，目标表未删除，如下：INSERT INTO sink_table (id,device_id,name,device_type,device_name,gateway_serial_num,points_model_id,device_uniq_code,etl_time)SELECTt1.id,t1.device_id,t2.device_type,t2.....

问答 2023-11-07 来自：开发者社区

flink cdc delete主键删除源表，目标表未删除数据问题

问答 2023-11-07 来自：开发者社区

Flink CDC如果不确定表的字段，是不是就没办法对无主键的表同步了？

问答 2023-11-07 来自：开发者社区

Flink CDC同步无主键表的时候，怎么通过datastream mysqlsource添加呢？

Flink CDC同步无主键表的时候，查到scan.incremental.snapshot.enabled配置false，但是都是sql创建with配置这个参数，怎么通过datastream mysqlsource添加呢？没找到入口

问答 2023-11-06 来自：开发者社区

大家在Flink CDC oracle11g 下number 类型做主键，捕获变更正常吗？

大家在Flink CDC oracle11g 下number 类型做主键，更新数据，捕获变更正常吗？

问答 2023-11-06 来自：开发者社区

Flink CDC oracle 的 number 类型做主键，这个问题大家遇到没？

Flink CDC oracle 的 number 类型做主键，oracleCDC 可以捕获变更，但是不能解析主键值，导致后面输出源，不能更新，这个问题大家遇到没？

问答 2023-09-19 来自：开发者社区

Flink CDC正常执行的时候一直提示这个告警。是因为来源表没有主键的问题吗？

Flink CDC正常执行的时候一直提示这个告警。是因为来源表没有主键的问题吗？The state is cleared because of state ttl. This will result in incorrect result. You can increase the state ttl to avoid this？

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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。

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MySQL 到 Hologres

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