Category: How To

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Data locality: Scaling PostgreSQL with Citus intelligently

by Hans-Jürgen Schönig | 09.2023

How to use data locality to increase performance while sharding PostgreSQL data with Citus. What is database locality

How To

Exclusion constraints in PostgreSQL and a tricky problem

by Christoph Berg | 09.2023

Exclusion constraints in PostgreSQL are complex, see this use case using WHERE STATUS. There are limits to what exclusion constraints can do.

How To

Conditional foreign keys and polymorphism in SQL: 4 Methods

by Laurenz Albe | 08.2023

This article is about the notoriously difficult problem of “conditional foreign keys”. In object-oriented programming languages, polymorphism is a […]

How To

Indexing "LIKE" in PostgreSQL and Oracle

by Laurenz Albe | 08.2023

How To & Performance

Why does my pg_wal keep growing?

by Laurenz Albe | 08.2023

"Why does my pg_wal keep growing?" That's a question I keep hearing again and again. It is an urgent […]

How To

Reproducible builds: a PostgreSQL query optimization example

by Christoph Berg | 07.2023

This post shows how to optimize a slow query that came out of the Reproducible Builds project. The Reproducible Builds […]

How To & Performance

PostGIS, ArcGIS Enterprise and the Tour de France route

by Florian Nadler | 07.2023

How to analyze a stretch of the Tour de France in a hybrid environment, ArcGIS Enterprise & PostGIS - we’ll utilize PostGIS native geometry types instead of ESRI geometry types to analyze this challenging stage both in ArcGIS Pro and PostGIS

How To