在Flink SQL中，可以使用CREATE TEMPORARY SYSTEM VIEW语句来创建临时视图，以缓存数据。临时视图在会话级别上是可见的，可以在多个查询之间重用。以下是一个简单的例子，说明如何创建临时视图： CREATE TEMPORARY SYSTEM VIEW cached_data AS SELECT * F...

问答 2023-11-15 来自：开发者社区

Flink CDC中flink sql 如果缓存起来所有的数据，然后基于这个数据做查询？

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更新时间 2024-08-08 13:11:14

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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