Latest posts
Rolling the Dice with the PostgreSQL Random Functions
Paul shows examples of generating random numbers, random integers, random text values, and random groups. He also shows off the new random_normal function which just came out with Postgres 16.
6 min readJSON Updates in Postgres 16
Chris digs into some example code for the new JSON features that just launched with Postgres 16 last week. A new check for finding json objects and some new object and array functions.
6 min readActive Active in Postgres 16
Postgres 16 is out and it has some exciting updates to logical replication. Using a new WAL origin filter, you can avoid loopback transactions. Brian lays out the updates and how to get started with an active active cluster.
8 min readRandom Geometry Generation with PostGIS
Did you know you can use random() with spatial data types? Paul has sample code for generating random points, lines, polygons, hulls, and even some shapes using a Voronoi diagram. Bonus examples of random_normal(), coming in Postgres 16.
6 min readHNSW Indexes with Postgres and pgvector
pgvector for Postgres recently got a big upgrade with the new HNSW indexes. Chris explains what they are, how to use them, and what the accuracy and performance implications are for adding these.
12 min readTop 10 Postgres Management Tasks
The must know Postgres management tasks to look at for any scale. Plus a bonus image included showing the recent and upcoming Postgres release schedule.
Scaling Vector Data with Postgres
pgvector for AI in Postgres catch your eye? Start thinking about scaling and performance now. Chris has some tips about partitioning and truncating data to strike that perfect balance between performance and accuracy.
12 min readUse CI/CD to Automatically Update Postgres Images with Argo CD
Bob continues his series on using Argo CD to create GitOps workflows with Crunchy PostgreSQL for Kubernetes. In this post, he shows you how to create automated image updates. You can get a new Postgres image all the way from source to tested and ready for production with this workflow automation.
10 min readPostgres Subquery Powertools: CTEs, Materialized Views, Window Functions, and LATERAL Join
Wondering when to use a Materialized View or a CTE? Elizabeth has summaries, example queries, and comparisons for the most popular subquery tools.
10 min readFun with PostgreSQL Puzzles: Recursive Functions with Animations
Greg continues with Advent of Code series in Postgres with puzzle 19. This one uses recursive functions to follow blueprints and return the results. These functions even have terminal animations to show results as they are processed!
14 min readWhen Did Postgres Become Cool?
Craig takes a look at the history of Postgres. From the origins of the project through some of the key production features that make Postgres what it is today.
10 min read
XKCD Bad Map Projection with PostGIS
In honor of the beloved XKCD comic, Paul recreates some bad maps using PostGIS functions. Check out these funky cartographic contortions and learn a little spatial sql along the way.
4 min readRemote Access Anything from Postgres
ogr_fdw is a powerhouse of options for accessing data from within Postgres. Paul digs into samples with CSV, Excel from S3, and SQLite.
5 min readIntroducing Database Insights: Effortless Postgres Management with Crunchy Bridge
Crunchy Bridge now has database insights to keep track of key performance indicators for your Postgres database. From database tools like slow queries and cache hit ratio, to machine stats like CPU and IOPS, and a production check. We are making database management easier than ever.
2 min readAnnouncing Crunchy Postgres for Kubernetes 5.4
We are excited to release version 5.4 of Crunchy Postgres for Kubernetes with support for ARM processors, pgvector, huge pages, Postgres tablespaces, and more.
5 min readFun with PostgreSQL puzzles: Surface Area and 3D Slices
Greg continues with more puzzles and solutions for the Advent of Code series, today covering day 18's puzzle. Greg has some amazing functions for surface area, heat maps, and 3d visualizations.
11 min readPerformance Tips for Postgres FDW
Chris has some tips on helping you get the most out of queries when working with a remote Postgres foreign data wrapper. He has an overview of how queries are executed with the fdw and then samples for using CTEs, sub-queries, materialized views, and more.
8 min readFun with PostgreSQL Puzzles: Moving Objects with Arrays, Sequences, and Aggregates
Greg continues with Advent of Code series, this one is puzzle 17. This one works with falling rocks. Using sequences, arrays, and aggregates he makes a stackable objects with nothing but SQL!
17 min readData Skews in Postgres
Skewed or uneven data is common in Postgres. Elizabeth has a quick query for finding your data distributions and recommendations on fixing indexes if you have skewed data.
Holy Sheet! Remote Access CSV Files from Postgres
Want to get CSV data into your database? Paul has some great tools to help you use CSV and Google Sheets. Like remote copy, http access, using Python for materialized views, and ogr_fdw. You heard that right, there's a foreign data wrapper for CSV to Postgres!
7 min read
