如何优化 PostgreSQL 数据库性能？优化 PostgreSQL 数据库性能涉及多个方面，以下是一些常见的优化策略：索引优化：确保为经常用于查询条件的列创建适当的索引。使用 EXPLAIN 命令分析查询计划，确定是否需要添加或调整索引。查询优化：编写高效的 SQL 查询，避免不必要的全表...

文章 2023-12-21 来自：开发者社区

前言：我们一般认为数字的世界是一个虚拟的世界，OK，但我们其实有些需求是和现实世界一模一样的，比如，数据库尤其是关系型数据库，希望在使用的数据库能够更快（查询速度），更高（性能上限更高），更强（并发性能，写能力这些属性），正如奥林匹克的体育精神：更快，更高，更强，但是很可惜，愿望就是愿望了，要想实现这样的愿望需要更多的技术，想法。那么，毫无疑问的，物化视图是一个专门针对查询性能的关系型数据库内的....

文章 2022-02-17 来自：开发者社区

【学习资料】第8期PostgreSQL 规格评估 - 微观、宏观、精准多视角估算数据库性能(选型、做预算不求人)

背景在提预算时必不可少的环境是评估需要多少硬件。通常会要求业务方提供一些数据，例如用户数、PV、UV等。但是这种评估纯靠经验，方法非常的粗糙也不准确。那么到底如何评估需要多少硬件、或者说需要什么样规格的硬件来支撑你未来的业务呢？对于PostgreSQL这个数据库产品来说，我介绍一下三种评估方法：1、微观评估（相对来说比较准确）2、宏观评估（对选型有帮助，对规格帮助不大，略显粗糙）3、精准评估（最....

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