Flink（十三）【Flink SQL（上）SqlClient、DDL、查询】（3）https://developer.aliyun.com/article/1532278 5.5、分组聚合 SQL中一般所说的聚合我们都很熟悉，主要是通过内置的一些聚合函数来实现的，比如SUM()、MAX()、MIN()、AVG()以及COU...

文章 2024-06-07 来自：开发者社区

Flink（十三）【Flink SQL（上）SqlClient、DDL、查询】（3）

Flink（十三）【Flink SQL（上）SqlClient、DDL、查询】（2）https://developer.aliyun.com/article/1532276 5、查询 5.1、 DataGen & Print 1）创建数据生成器源表 C...

文章 2024-06-07 来自：开发者社区

Flink（十三）【Flink SQL（上）SqlClient、DDL、查询】（2）

Flink（十三）【Flink SQL（上）SqlClient、DDL、查询】（1）https://developer.aliyun.com/article/1532272 4.2、表 1）创建表（1）语法 CREATE TABLE [IF NOT EXIS...

文章 2024-06-07 来自：开发者社区

Flink（十三）【Flink SQL（上）SqlClient、DDL、查询】（1）

前言最近在假期实训，但是实在水的不行，三天要学完SSM，实在一言难尽，浪费那时间干什么呢。SSM 之前学了一半，等后面忙完了，再去好好重学一遍，毕竟这玩意真是面试必会的东西。今天开始学习 Flink 最后一部分 Flink SQL ，完了还有不少框架得学：Kafka...

问答 2024-03-26 来自：开发者社区

Flink sql修改ddl能通过savepoint重启吗？

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更新时间 2024-06-16 09:31:51

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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

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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