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Category: PostgreSQL®

30 January 2026

How to secure PostgreSQL databases correctly?

Multi-layered PostgreSQL security with encryption, backup strategies, and continuous monitoring effectively protects corporate data.

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Posts by Peter Dreuw

25 January 2026

What are the most important PostgreSQL data types?

PostgreSQL offers numeric, text, time, and special data types for optimal performance.

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Posts by Peter Dreuw

23 January 2026

What PostgreSQL licensing terms apply?

PostgreSQL uses a permissive BSD-like license—free for commercial use without copyleft restrictions.

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Posts by Peter Dreuw

16 January 2026

What is PostgreSQL? The complete beginner's guide

PostgreSQL Beginner's Guide: Installation, configuration, and business benefits of the free open-source database explained.

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Posts by Peter Dreuw

06 January 2026

Dissecting PostgreSQL Data Corruption

PostgreSQL 18 made one very important change – data block checksums are now enabled by default for new clusters at cluster initialization time. I already wrote about it in my previous article. I also mentioned that there are still many existing PostgreSQL installations without data checksums enabled, because this was the default in previous versions. […]

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Posts by Josef Machytka