PostgreSQL

Introducing PG Down Under - Focus on PostgreSQL

Introducing PG Down Under - Focus on PostgreSQL

Welcome to PG Down Under!

I’ve worked with data most of my life and I love all aspects of it, and PostgreSQL has been part of it. Whenever possible, I’ve attended local PostgreSQL user groups to make sure I stay across what’s happening with it, even though my primary work was with SQL Server. PostgreSQL has been part of many client engagements over the years.

For some time, I’ve been starting to build up a series of podcasts for PostgreSQL developers and DBAs.

2024-03-08

SQL: SQL Server index updates vs PostgreSQL index updates

SQL: SQL Server index updates vs PostgreSQL index updates

The link below is to quite a fascinating article that on the surface is about why Uber moved to MySQL from PostgreSQL.

https://use-the-index-luke.com/blog/2016-07-29/on-ubers-choice-of-databases

What it really is about is a limitation in how PostgreSQL indexes are updated. They consider it a severe limitation.

With SQL Server (and MySQL), if you update a few columns in a row, only the indexes that have that column are updated. In PostgreSQL, all indexes still need to be updated. I understand why they’ve done that but I can see why users might not want that behavior.

2016-08-04