I decided to start out this year by looking into my notes from last year and extracting from them a small set of Postgres tips for you. This might not be, strictly speaking, fresh news… but I guess the average RAM of tech workers is about 64KB or so nowadays, so some repetition might not […]

In order to prepare for the start of training season (you can see our “stock” training offerings here by the way), I’ve updated our small “Postgres features showcase” project, and thought I’d echo it out too. Main changes – coverage on some features of the current v11 release and also from the upcoming v12. Short […]

  PostgreSQL query tuning is our daily bread at Cybertec, and once you have done some of that, you’ll start bristling whenever you see an OR in a query, because they are usually the cause for bad query performance. Of course there is a reason why there is an OR in SQL, and if you […]

While doing PostgreSQL consulting for a German client, I stumbled over an interesting issue this week, which might be worth sharing with some folks out on the Internet, it’s all about grouping. Suppose you are measuring the same thing various times on different sensors every, say, 15 minutes. Maybe some temperature, some air pressure or […]