We begin at allow_alter_system, which is both new and politically fraught — so let’s start with a fight. ALTER SYSTEM was added in 9.4 as a quality-of-life improvement: set GUCs from an SQL...

I am starting a blog post series on using indexes — or tables — as queues.  I had this series in the back of my mind for some time.  This started a few years back...

By Andrew Pierce, Chris Thrailkill, Victor ChiapaikeoAt Netflix, we prioritize getting timely data and insights into the hands of the people who can act on them. One of our key internal...

The creation of the Department of Government Efficiency (DOGE), the enactment of tariffs against China, Canada and Mexico, and the announcement of a US$500 billion AI infrastructure project dubbed...

While innovation is critical to all companies’ growth, the most successful organizations use it to both expand their lead within their industries and disrupt new ones, even in uncertain times.

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See how we improved our hybrid row-columnar storage engine—now renamed hypercore—to solve our customers’ real-time analytics needs.

What is row pattern recognition feature? Row pattern recognition (RPR) is a feature defined in the SQL standard. It allows to search for a sequence of rows by pattern.  Since I am working on...

本文介绍了作者在周末徒步前往Santana Row的经历，计划踩赛道但放弃，Santana Row是逛街的好地方，有酒吧、餐厅、商店和旅店，停车设施多且免费。

本文介绍了在GaussDB中使用row_number() over(p)-rn=1时的性能瓶颈和改写方法。通过去除窗口函数，优化了分类汇总和明细数据的关联流水执行。改写后的执行计划显示，总体执行时间缩短了约480ms。

本文介绍了row_number函数的用法和特殊用法，以及如何使用sequence进行优化。总结了row_number函数的排序是不稳定的，需要人为给定顺序。

本文介绍了GaussDB(DWS)迁移Oracle兼容时，由于PARTITION BY列+ORDER BY列组合不唯一导致row_number()函数结果集不稳定的问题及解决方案。作者通过案例展示了问题的定位和分析方法。

The post Redis Enhances Channel Program To Grow Pipeline With Strategic Partners appeared first on Redis.

We often get interesting questions from Customers before starting migrations from Oracle to PostgreSQL or SQL Server to PostgreSQL. One of such questions is regarding the Oracle or SQL Server...

By Long Luo This article is the solution It is Literally a Graph: DFS and Union Find of Problem 947. Most Stones Removed with Same Row or Column. Intuition We can find that this is a graph theory...