Neues vom PostgreSQL Planet
Hans-Juergen Schoenig: PostgreSQL: DELETE vs. TRUNCATE
Data isn’t only about storage and accumulation – sometimes it’s also about deletion, cleanup and archiving. In SQL there’s more than one way to empty a table. Two essential methods are available:
Andreas 'ads' Scherbaum: Chris Travers
Paul Ramsey: Easy PostgreSQL Time Bins
It's the easiest thing in the world to put a timestamp on a column and track when events like new records or recent changes happen, but what about reporting?
Binning data for large data sets like time series is a great way to let you group data sets by obvious groups and then use SQL to pull out a query that easily works in a graph.
Here's some PostgreSQL secrets that you can use to build up complete reports of time-based data.
Ryan Booz: PostgreSQL Patch of Interest (To Me): Documentation Linking
Tobias Petry: Table Maintenance after Bulk Modifications
Michael Paquier: Postgres 15 highlight - Custom WAL Resource Managers
Postgres 15 has a release note page full of items, and this commit is one of the fun parts from the point of view of a hacker:
Pavlo Golub: pg_timetable v5.3 is out!
Our team is proud to introduce a new pg_timetable v5.3 release!
This time we focused solely on implementing new features for logging.
Hubert 'depesz' Lubaczewski: System roles – what, why, how?
Ryan Booz: PostgreSQL Content at the 2023 PASS Data Community Summit
Laurenz Albe: Breaking your PostgreSQL database with bad CHECK constraints
© Laurenz Albe 2023
Peter Eisentraut: How collation works
In this blog post, and probably one or more following ones, I want to discuss how collations in PostgreSQL work internally. See also this previous post about the work we have done for collations in PostgreSQL 15. And there is even more coming together in PostgreSQL 16 right now, which we will talk about in the future.
Christophe Pettus: Everything you know about setting `work_mem` is wrong.
If you google around for how to set work_mem in PostgreSQL, you’ll probably find something like:
To set work_mem, take the number of connections, add 32, divide by your astrological sign expressed as a number (Aquarius is 1), convert it to base 7, and then read that number in decimal megabytes.
So, I am here to tell you that every formula setting work_mem is wrong. Every. Single. One. They may not be badly wrong, but they are at best first cuts and approximations.
Andreas 'ads' Scherbaum: Vincent Picavet
cary huang: TLS setup on Postgres 15 – Common Practice
TLS is one of the most commonly used security protocol in most applications but also least understood. In this blog, I will briefly explain the concept of TLS and how it can be configured to Postgres version 15 compiled with compatible OpenSSL library.
2.0 PostgreSQL Server Side SettingsThese are the TLS settings available in postgresql.conf related to TLS. Note that these parameters start with prefix SSL, which is a term used interchangeably with TLS (which is a newer term). Both refer to the same thing.
Henrietta Dombrovskaya: My Talk At Citus Con
It is impossible to be present at two conferences simultaneously, but that’s why we have on-demand talks!
CitusCon is on April 18-19, and my brand new talk Implementing Temporal Features in PostgreSQL: SQL Standard and beyond will be available!
Philip Hurst: Introduction to Postgres Backups
Backups in the database world are essential. They are the safety net protecting you from even the smallest bit of data loss. There’s a variety of ways to back up your data and this post aims to explain the basic tools involved in backups and what options you have, from just getting started to more sophisticated production systems.
Michael Paquier: Postgres 16 highlight - Normalization of utilities in pg_stat_statements
This post begins with this commit added to Postgres 16:
Chris Travers: Which is worse when working on production databases? Being drunk or tired?
I have decided to do a series of mini-articles on human factors in database operations. This is the first, and covers fatigue.
Peter Morgan: pgec reads: memory replicated cache, writes: PostgreSQL with a Redis API
pgec is an Apache licensed real-time in memory PostgreSQL logical replication cache with Redis, Memcached and REST API.
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