实时计算 Flink版sql join 的相关内容

问答 2023-09-28 来自：开发者社区

flink cdc sql双流join咋写呀？

问答 2023-09-13 来自：开发者社区

用Flink sql interval join ，一启动，有人遇到过么？

用Flink sql interval join ，一启动，没多久就会 This might indicate that the remote task manager was lost.有人遇到过么？

问答 2023-09-13 来自：开发者社区

Flink CDC中flink sql 主表join维表的时候，请问知道吗？

Flink CDC中flink sql 主表join维表的时候，想要更新主表的时候，也能实时查询维表的数据，可以怎么做呢？我发现现在更新主表的数据，是不会再去join维表的数据的，请问有大佬知道吗？主表是用cdc去获取的主表维表

问答 2023-08-09 来自：开发者社区

Flink CDC中怎么在sql里面配置join state状态存储，还是默认特性不需要配置？

问答 2023-08-01 来自：开发者社区

flink sql 双流regular join关联后结果输出到mysql，不能同步删除，有大佬？

flink sql 双流regular join关联后结果输出到mysql，不能同步删除，有大佬知道解决方案吗？

问答 2023-07-26 来自：开发者社区

flink sql任务有三个mysql cdc 源表通过left join关联写入目标表，没更新？

flink sql任务有三个mysql cdc 源表通过left join关联写入目标表。过了半天之后，更新源表中的记录，发现目标表没更新。这是flink SQL不支持吗，还是要做什么特殊设置，或者使用什么语法？就是更新了where条件对应的记录，另外，大表join，是如何做实时记录匹配的，应该是需要流内存拦截吧，不然怎么做到实时匹配呢？假如关联的两张表的记录一个在最开始就来了，另一个迟了很久才....

问答 2023-07-25 来自：开发者社区

Flink中FLINK-SQL，两个千万级的表join，并行度12，tm=4096m，慢得扣卡，？

Flink中FLINK-SQL，两个千万级的表join，并行度12，tm=4096m，慢得扣卡，有没大佬知道哪个环节出了问题？

问答 2023-05-16 来自：开发者社区

flink sql interval left outer join左边数据来了右边数据没来情况下?

flink sql interval left outer join左边数据来了右边数据没来情况下会直接输出(left, null)，不会等待interval window结束仍没等到右边数据才输出吗？

问答 2023-05-11 来自：开发者社区

flink sql维表join必须等值连接吗

select create_time ....... from log vdl left join dim_ip_local_range FOR SYSTEM_TIME AS OF vdl.create_time as dilr on int_ip >= dilr.start_num and int_ip 我想通过这种范围连接，批处理模式是可以的，...

问答 2023-04-10 来自：开发者社区

请问 flink sql CDC 如何实现维表延迟join？

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更新时间 2024-11-15 12:46:11

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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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功能对比

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作业自动调优