• EN
    Blog

    Cybertec Logo

    • Services
      • Requirement Analysis
      • PostgreSQL consulting
      • PostgreSQL migration
        • Migration from Oracle
        • Migrating from MySQL / MariaDB
        • CYBERTEC Migrator
      • CYPEX Online Academy
      • PostgreSQL Infrastructure
        • Setup & Installation
        • Kubernetes
        • Database architecture
      • PostgreSQL development
        • Database modeling
        • Functions & Features
      • Update & Upgrade
      • Optimization & Security
        • PostgreSQL Health Check
        • Performance Tuning
        • Enterprise Security
        • Security Audit
      • Troubleshooting & Data Recovery
      • PostgreSQL clustering and HA
        • Clustering and failover
        • High availability with Patroni
        • Synchronous and asynchronous replication
        • Scaling with PL/Proxy
      • Spatial Services
        • GIS Tooling
        • PostGIS OSM Downloader
      • CYBERTEC Partner Network
    • Support
      • Standard PostgreSQL Support
        • Product Support
        • 9/5 Basic Support
        • 24/7 Basic Support
        • 24/7 Enterprise Support
      • Advanced PostgreSQL Support
        • 9/5 Remote DBA
        • 24/7 Remote DBA
        • 9/5 Dedicated DBA
        • 24/7 Cloud-based Support
      • Support for Reseller
        • 3rd Level Support
        • CYBERTEC Partner Network
    • Products
      • Our Products
        • CYPEX – Build Apps & Forms
        • CYBERTEC PostgreSQL Enterprise Edition
        • CYBERTEC Migrator
        • PostgreSQL Transparent Data Encryption
        • Scalefield – Private Cloud
        • Data Masking for PostgreSQL
        • PL/pgSQL_sec – Fully encrypted stored procedures
      • PostgreSQL Tools & Extensions
        • pg_timetable – Advanced Job Scheduling
        • pg_show_plans – Monitoring Execution Plans
        • pgwatch – PostgreSQL Monitoring Tool
        • pg_squeeze – Shrinks Tables
        • Walbouncer – Enterprise Grade Partial Replication
        • PGConfigurator – Visual PostgreSQL Configuration
        • Patroni Environment Setup
      • Assessment Packages
        • Data Science Assessment Package
        • Start-Up Assessment Package
        • Spatial Data Assessment Package
      • CYBERTEC Partner Network
    • Training
    • PostgreSQL
      • Advantages of PostgreSQL
      • PostgreSQL Books
      • Solutions – Who uses PostgreSQL
        • PostgreSQL for Startups
        • PostgreSQL for governments and public services
        • Longlife solutions
      • Business Cases
        • Fraud Detection
        • PostgreSQL for biotech and scientific applications
    • Data Science
      • Data Science Overview
      • Machine Learning
      • Big Data Analytics
    • Contact

    Posts

    Tag: corruption

    31.01.2023 | Laurenz Albe

    Transaction ID wraparound: a walk on the wild side

    © Laurenz Albe 2022 Most people are aware of transaction ID wraparound. The concept has been well explained in Hans’ article, so I won’t repeat all that here. But for most people it is an abstract concept, a bogeyman lurking in the dark around the corner. Many people know horror stories about anti-wraparound autovacuum tanking […]

    Read more
    16.08.2022 | Laurenz Albe

    How to corrupt your PostgreSQL database

    Of course most people do not want to corrupt their databases. These people will profit from avoiding the techniques used in this article. But for some, it might be useful to corrupt a database, for example if you want to test a tool or procedure that will be used to detect or fix data corruption. […]

    Read more
    09.07.2019 | Laurenz Albe

    ICU collations against PostgreSQL data corruption

    © Laurenz Albe 2019 (Updated 2023-02-10) This article was prompted by version 2.28 of the GNU C library, which changed the definition of many collations. Such a change has the potential to cause data corruption in PostgreSQL. I will describe the problem and point out how ICU collations can solve it. The problem is not […]

    Read more

    logo

    CYBERTEC PostgreSQL International GmbH
    Römerstraße 19
    2752 Wöllersdorf
    AUSTRIA

    +43 (0) 2622 93022-0
    office@cybertec.at
    twitter.com/PostgresSupport
    github.com/cybertec-postgresql

    Our Services

    • Administration
    • Replication
    • Consulting
    • Database Design
    • Support
    • Migration
    • Development

     

    SUPPORT CUSTOMERS
    Go to the support platform >>

    Newsletter

    Check out previous newsletters!

    Stay well informed about PostgreSQL by subscribing to our newsletter.

    © 2000–2023 CYBERTEC PostgreSQL International GmbH
    • IMPORTANT INFORMATION ABOUT COVID-19
    • Contact
    • Data protection policy
    • Imprint
    • Terms and Conditions