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Setting max_connections to an insanely high value is not good for performance. I tried it, to see what impact it has in PostgreSQL.
After testing shared_buffers recently, I decided to do a little more testing on our new office desktop PC (8 core […]
A lot has been said about PostgreSQL shared buffers and performance. As my new desktop box has arrived this week […]
Benford's law is a mechanism, which is widely used in many fields. Especially accounting fraud can be detected nicely using this simple law of mathematics.
What if you want to compare dozens of columns with each other in PostgreSQL? Find out how to do it right here.
PostgreSQL has three shutdown modes - smart, fast, immediate. Check out this blogpost to learn more about all of them.
UPDATED 2023 - How to track changes made to tables in PostgreSQL - instructions how to use a generic changelog trigger for tracking changes.
How to reproduce a random sequence of numbers. Reset the random generator to restart a certain value in PostgreSQL. random()
UPDATED Aug. 2023 - How a security barrier can theoretically be used to speed up PostgreSQL queries and to see how PG works under the hood.
In this blog we are talking about KNN-search. KNN-search has been made for finding something close to what you are looking for.
effective_cache_size can have a serious impact on execution plans and change things dramatically. See what kind of difference it can make.
In this blog we are tallking about the topic operator class. We will show you some strategies for your database.
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