<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>SQL on timerring</title><link>https://blogs.timerring.com/tags/sql/</link><description>Recent content in SQL on timerring</description><generator>Hugo</generator><language>en</language><lastBuildDate>Fri, 05 Aug 2022 20:38:20 +0800</lastBuildDate><atom:link href="https://blogs.timerring.com/tags/sql/index.xml" rel="self" type="application/rss+xml"/><item><title>SQL Query Optimizers Explained</title><link>https://blogs.timerring.com/posts/sql-query-optimizers-explained/</link><pubDate>Fri, 05 Aug 2022 20:38:20 +0800</pubDate><guid>https://blogs.timerring.com/posts/sql-query-optimizers-explained/</guid><description>&lt;p>从 SQL 解析与执行流程出发，介绍基于规则和代价的查询优化、统计信息、执行计划枚举，以及 Apache Calcite 的开源实践。&lt;/p></description></item><item><title>MySQL Cheatsheet</title><link>https://blogs.timerring.com/posts/mysql-cheatsheet/</link><pubDate>Tue, 15 Mar 2022 03:43:29 +0800</pubDate><guid>https://blogs.timerring.com/posts/mysql-cheatsheet/</guid><description>&lt;p>整理 MySQL 常用语法、函数、约束、多表查询和事务，并介绍存储引擎、索引、执行计划与 SQL 性能优化。 文中的密码仅作示例，实际使用时请独立生成。&lt;/p></description></item></channel></rss>