sql物联网

在云栖大会期间，阿里云-飞天八部-数据库技术组高级技术专家digoal分享了物联网应用场景特性分析、PostgreSQL 物联网六脉神剑、ApsaraDB for RDS(PG)介绍等方面的内容。...

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PostgreSQL多场景阿里云沙箱实验（第12讲）：PostgreSQL 物联网最佳实践

主讲人：德哥（点击关注专家，掌握一手干货）阿里云数据库专家，PostgreSQL中国社区校长直播内容：PostgreSQL多场景阿里云沙箱实验（第12讲）：PostgreSQL 物联网最佳实践学习资料：https://yq.aliyun.com/articles/688535 直播地址：...

德哥PG系列课程直播（第12讲）：PostgreSQL 物联网最佳实践

查询一个时序区间的数据标签：PostgreSQL,HTAP,OLTP,OLAP,场景与性能测试12、SQL流式案例-旋转门压缩(前后计算相关滑窗处理例子)标签：PostgreSQL,阅后即焚,流计算,旋转门压缩,滑窗分析,上下文相关滑窗,上下结果相关滑窗13、旋转门数据压缩...

PostgreSQL 物联网黑科技-阅后即焚

在物联网应用场景中，有大量的传感器，会产生非常大量的消息以极高的并发进入数据库。这些数据如果直接进入面向OLAP场景设计的数据仓库，数据实时入库会成为瓶颈，并且OLAP系统很难接受非常高并发的请求。面对这样的应用场景，这些既要又要...

PostgreSQL 物联网黑科技-瘦身500倍的索引(范围索引)

但是这些索引到了物联网，会显得太重，对性能的损耗太大。为什么呢？物联网有大量的数据产生和入库，入库基本都是流式的。在使用这些数据时，基本是FIFO，或者范围查询的批量数据使用风格。btree索引太重，因为索引需要存储每条记录的索引...

PostgreSQL"物联网"应用-1 实时流式数据处理案例(万亿每天)

物联网的一个特点是万物联网，会产生大量的数据。例如：一盒药，从生产，到运输，到药店，到售卖。每流经一个节点，都会记录它的信息。又如：健康手环，儿童防丢手表，一些动物迁徙研究的传感器（如中华鲟），水纹监测，电网监测，煤气管道...

IoT物联网平台-规则引擎SQL数据格式详解

规则引擎SQL数据格式详解前言[](#i0bcvd)设备接入IoT物联网平台后，最佳获取数据的方式就是通过规则引擎，先使用SQL表达式处理数据，再流转到DB，MQ，DataHub，FC等目的地。配置数据处理SQL时，我们需要了解每个topic对应的数据格式，才能...

PostgreSQL 数据库 物联网 应用分析

PPT如下,主要介绍物联网行业特性，以及PostgreSQL数据库在物联网特性中发挥的重要作用。

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云数据库RDS SQL Server版

云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。

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