PostgreSQL

Build API backend server with NodeJS and PostgreSQL

Introduction In this Blog I will describe how to create an API Backend with NodeJS using PostgreSQL as Database. We will create API for public events with CRUD options. CRUD means: create, read, update and delete. Firstly, we will create(…)

Increase your PostgreSQL databases security by checking a few settings

This blog provides you with a short overview of easy to control settings that enhance your PostgreSQL security. Mostly by creating a separate group to assign privileged database members. And checking different logging and log rotations settings for better and(…)

DBPod – le podcast Bases de Données

By Franck Pachot . J’essaie quelque chose de nouveau. Je publie beaucoup en anglais (blog, articles, présentations) mais cette fois quelque chose de 100% francophone. En sortant du confinement, on reprend les transports (train, voiture,…) et c’est l’occasion de(…)

The myth of NoSQL (vs. RDBMS) “joins dont scale”

By Franck Pachot . I’ll reference Alex DeBrie article “SQL, NoSQL, and Scale: How DynamoDB scales where relational databases don’t“, especially the paragraph about “Why relational databases don’t scale”. But(…)

Some myths about PostgreSQL vs. Oracle

By Franck Pachot . I originally wrote this as a comment on the following post that you may find on internet: https://www.2ndquadrant.com/en/blog/oracle-to-postgresql-reasons-to-migrate/ but my comment was not published (many links in it… I(…)

pgBackRest – a simple privileges-related issue

I recently had to replace Barman by pgBackRest as Backup & Recovery solution for one of my customer. The purpose of this blog is not to show how I made the setup (some(…)

PostgreSQL Shared Buffers vs free RAM

PostgreSQL, like all other database engines, modifies the table and index blocks in shared buffers. People think that the main goal of buffered reads is to act as a cache to avoid reading from disk. But that’s not the main(…)

The myth of NoSQL (vs. RDBMS) agility: adding attributes

By Franck Pachot . There are good reasons for NoSQL and semi-structured databases. And there are also many mistakes and myths. If people move from RDBMS to NoSQL because of wrong reasons, they will have a bad experience and(…)

AWS Aurora vs. RDS PostgreSQL on frequent commits

This post is the second part of https://www.dbi-services.com/blog/aws-aurora-xactsync-batch-commit/ where I’ve run row-by-row inserts on AWS Aurora with different size of intermediate commit. Without surprise the commit-each-row anti-pattern has a negative effect on performance. And I mentioned(…)

AWS Aurora IO:XactSync is not a PostgreSQL wait event

By Franck Pachot . In AWS RDS you can run two flavors of the PostgreSQL managed service: the real PostgreSQL engine, compiled from the community sources, and running on EBS storage mounted by the database EC2 instance, and the(…)