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。

With its January 2010 acquisition of Sun Microsystems, Oracle gained the MySQL open source database management software (DBMS) platform for enterprise IT environments. MySQL, which uses SQL ...

MySQL, the open source relational database that came to Oracle through the Sun Microsystems acquisition, originated as a relatively simple relational database that was known for one task: transaction ...

Since Oracle launched its MySQL HeatWave service in December 2020, it has continuously driven differentiation in the database-as-a-service market. While competing against some of the biggest names in ...

Oracle is synonymous with database. In fact, the company has about six different databases to solve whatever data management problem you have. Are you still running OpenVMS? Oracle will hook you up ...

Despite being the most popular open-source database management system (DBMS), Oracle's MySQL has been sinking into trouble. Major Linux distributions like Red Hat and SUSE, are switching it out for ...

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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 ...

Publicly announcing benchmarks on GitHub for anyone to trial is a bold move. So, when Oracle Corp. published code to prove performance of its MySQL HeatWave database, some expected competitors to ...