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.
UPDATED July 2023: How to avoid security issues in PostgreSQL prior to v15 due to the public schema. Repair the problem.
After digging through some customer source code yesterday I thought that it might be worth publishing a post about space consumption and enum types. It seems to be quite common to store status information as text fields. This is highly inefficient.
In a procedural language such as C people will create typedefs & functions But what about data type abstraction in SQL?
