作为一名数据库管理员(DBA),性能优化是核心职责之一。而深入理解和掌握执行计划,则是提升数据库性能的关键。近期,IT168企业级频道发布了一篇关于数据库执行计划的深度文章,引发了广泛关注。文章指出,相当比例的DBA未能充分利用执行计划进行优化,这直接影响了数据库的性能调优效果。本文将基于该文章的内容,深入探讨Oracle、MySQL和PostgreSQL三大数据库执行计划的差异,帮助读者提升DB ...
作为一名DBA,你是否曾在面对性能瓶颈时感到无从下手?是否在处理慢查询时,面对复杂的执行计划感到困惑?答案其实都藏在执行计划中。令人惊讶的是,许多DBA并未能正确解读执行计划,这直接影响了数据库性能调优的效果。今天,我们将深入探讨Oracle、MySQL和PostgreSQL三大数据库执行计划的区别,助你成为更出色的DBA。
6 月,SQLShift 迎来重大版本更新!作为国内首个支持 Oracle -> OceanBase 存储过程智能转换的工具,SQLShift 在过去一个月收获了众多用户的认可。 本次升级,我们聚焦“多元异构数据库 SQL 方言转换”与“用户体验革新”,带来三大核心功能升级,快来看看新版本有 ...
There are many reasons you may want to migrate a database or application from Oracle to PostgreSQL. Licensing costs, inconsistent customer support, breach in customer database, and audit risk are just ...
如果你即将离职,你会做什么?抨击自己付出了五年心血的技术——这是Oracle公司前首席软件工程师、MySQL优化器团队成员Steinar Gunderson的选择。 这位工程师现已在Chrome团队任职,他在一篇文章中表示,他离任的原因很复杂,但他特别指出:“MySQL是一个糟糕透顶 ...
Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Ramya Krishnamoorthy shares a detailed case ...
There were a lot of jokes and comments at Oracle’s expense today at the AWS re:Invent conference, but perhaps the boldest statement came when AWS announced it was adding PostgreSQL support to the AWS ...
Although heavily dependent on Oracle today, Salesforce seems to be seeking database freedom—and its efforts could result in the same freedom for all enterprises Despite being filled with Oracle ...
A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...
快科技5月13日消息,腾讯云正式发布TDSQL数据库一体化版本。该版本同时兼容多种数据库协议和语法,支持机构、企业通过一次部署自由切换多种实例模式,实现资源的统一管理。 作为业内首个实现多引擎统一管控的金融级分布式数据库,TDSQL现已完成100%兼容 ...