Reproducible builds: a PostgreSQL query optimization example
This post shows how to optimize a slow query that came out of the Reproducible Builds project. The Reproducible Builds […]
PostGIS, ArcGIS Enterprise and the Tour de France route
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
Subqueries and performance in PostgreSQL
by
Laurenz Albe |
07.2023 SQL allows you to use subqueries almost anywhere where you could have a table or column name. All you […]
View Access Logging - Fix it in PostgreSQL
By Kirk Wolak Continuous Improvement is an important part of reducing technical debt. Over 30 years our active database has […]
Memory context: private memory management in PostgreSQL
by
Laurenz Albe |
06.2023 (updated 2025-01-27) PostgreSQL uses shared memory for data shared between processes. With the exception of the dynamic shared memory […]
Unexpected downsides of UUID keys in PostgreSQL
There are various compelling reasons to use universally unique identifiers (UUID) as primary keys. Two examples are: To be able […]
Use HOT, so CLUSTER won't rot in PostgreSQL
by
Laurenz Albe |
06.2023CLUSTER is sometimes the last resort to squeeze performance out of an index scan. Normally, you have to repeat CLUSTER […]
What is a schema in PostgreSQL?
What is a schema in PostgreSQL? Why do we need a schema and how can schemas be used to make your life easier? Let's find out.
ERROR: invalid byte sequence - Fix bad encoding in PostgreSQL
by
Laurenz Albe |
05.2023(Inscription seen on a T-shirt) It's annoying to get error messages caused by encoding problems. But it is more annoying […]
PostgreSQL ALTER DEFAULT PRIVILEGES - permissions explained
by
Laurenz Albe |
05.2023 Many people have heard that ALTER DEFAULT PRIVILEGES makes it easy to allow other users access to tables. But […]
