• 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

    Month: December 2015

    22.12.2015 | Hans-Jürgen Schönig

    Permissions: A little trickery

    The PostgreSQL permissions machinery is a pretty powerful thing. It allows people to come up with wonderful permission systems. In addition to that it is still reasonably simple to use. However, there are always some corner cases, which are often forgotten or simple not discovered by end users. INHERIT: Cool stuff In PostgreSQL a role […]

    Read more
    18.12.2015 | Hans-Jürgen Schönig

    Join pruning – Cool stuff in PostgreSQL

    UPDATED July 2023: The PostgreSQL optimizer is really a wonderful piece of software which is capable of doing great things. One of those great things is so-called “join pruning”. In case PostgreSQL detects a join which is actually not needed for execution, it will automatically remove it from the plan. Removing joins from the plan […]

    Read more
    04.12.2015 | Hans-Jürgen Schönig

    Producing LaTeX output

    I think I first touched PostgreSQL in 1998 or 1999. It has been a long time, but PostgreSQL keeps inspiring me. I still keep finding cool features which have most likely been around for 15 years or more. Recently, I noticed by coincidence that psql can produce perfect LaTeX code. How cool is that? It’s […]

    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