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News from the CYBERTEC PostgreSQL Blog
HOT updates in PostgreSQL for better performance
© Laurenz Albe 2020 HOT updates are not a new feature. They were introduced by commit 282d2a03dd in 2007 and first appeared in PostgreSQL 8.3. But since HOT is not covered by the PostgreSQL documentation (although there is a README.HOT in the source tree), it is not as widely known as it should be: Hence […]
Generating a normal distribution in SQL
SQL and PostgreSQL are perfect tools to analyze data. However, they can also be used to create sample data which has to possess certain statistical properties. One thing many people need quite often is a normal distribution. The main question therefore is: How can one create this kind of sample data? Tablefunc: Creating normal distributions […]
PostgreSQL vs PostGreSQL vs Postgre vs Oracle vs all the rest
Is it Postgre, PostGreSQL, Postgres or PostgreSQL? We have all seen a couple of wrong ways to spell “PostgreSQL”. The question therefore is: How can one find data even if there are typos? In PostgreSQL there are various solutions to the problem. Depending on what kind of search you need you can choose between various […]