<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Jsonb on PlumePHP</title><link>https://plumephp.com/tags/jsonb/</link><description>Recent content in Jsonb on PlumePHP</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Sun, 27 Sep 2026 12:00:00 +0800</lastBuildDate><atom:link href="https://plumephp.com/tags/jsonb/index.xml" rel="self" type="application/rss+xml"/><item><title>PostgreSQL JSONB 性能实战：二进制存储、GIN 索引、查询优化与文档工作负载建模</title><link>https://plumephp.com/postgres-jsonb-performance/</link><pubDate>Sun, 27 Sep 2026 12:00:00 +0800</pubDate><guid>https://plumephp.com/postgres-jsonb-performance/</guid><description>&lt;p&gt;PostgreSQL 的 &lt;strong&gt;JSONB&lt;/strong&gt; 让它能在关系型内核之上承载文档型工作负载——这既是优势，也是陷阱。用对了，一张表能同时做结构化查询和半结构化存储；用错了，全表扫描 + 键路径函数会让查询慢到不可接受。&lt;/p&gt;</description></item></channel></rss>