polardb云服务器 ECS训练营的相关内容

阿里云文档 2026-01-22

创建网络通道连接PolarDB PostgreSQL版与ECS自建数据库-云原生数据库 PolarDB-阿里云

PolarDB PostgreSQL版提供了网络通道管理功能，通过网络通道您可以基于fdw外部表、dblink等多种方式实现跨库访问数据，使得跨库访问数据变得更为灵活和便捷。本文介绍如何创建PolarDB PostgreSQL版到ECS自建数据库的网络通道。

阿里云文档 2025-05-09

如何设置安全组

ESC安全组是一种虚拟防火墙，用于控制安全组中的ECS实例的出入流量。本文将介绍如何设置PolarDB的安全组，从而使安全组中的ECS可以访问对应的PolarDB PostgreSQL版（兼容Oracle）集群。

阿里云文档 2025-05-09

如何设置安全组

ESC安全组是一种虚拟防火墙，用于控制安全组中的ECS实例的出入流量。本文将介绍如何设置PolarDB的安全组，从而使安全组中的ECS可以访问对应的PolarDB PostgreSQL版集群。

阿里云文档 2023-09-03

使用ALTERSYSTEM更改服务器配置参数_云原生数据库PolarDB PostgreSQL版（兼容Oracle）_云原生数据库 PolarDB(PolarDB)

ALTER SYSTEM被用来在整个数据库集簇范围内更改服务器配置参数。

文章 2022-02-17 来自：开发者社区

使用PolarDB和ECS搭建门户网站-ECS七天训练营DAY04

创建PolarDB数据库账号 1.进入阿里云控制台并选择地域，搜索 “PolarDB” ，进入 “云数据库PolarDB管理控制台” 并选择 “集群列表” 2.在集群列表页面，单击集群ID (无集群，请先创建新集群) ，进入集群详情界面，于左侧导航栏中选择账号管理。 3.单击 “创建账号” ，依据提示，填写相关信息。 4.模仿之前步骤，在集群详情界面左侧导航栏...

文章 2022-02-17 来自：开发者社区

背景知识 PolarDB数据库简介是阿里云自研的下一代关系型云数据库，有三个独立的引擎，分别可以100%兼容MySQL、100%兼容PostgreSQL、高度兼容Oracle语法，存储容量最高可达100TB，单库最多可扩展到16个节点，适用于企业多样化的数据库应用场景。PolarDB采用存储和计算分离的架构，所有计算节点共享一份数据，提供分钟级的配置升降级、秒级的故障恢复、全局数据一致性和免费....

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云服务器ECS

云服务器 ECS（Elastic Compute Service）是一种弹性可伸缩的计算服务，助您降低 IT 成本，提升运维效率，使您更专注于核心业务创新。

产品详情页

ECS控制台

新用户免费试用