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Hans-Jürgen Schönig

Founder & CEO of CYBERTEC
Hans-Jürgen Schönig has worked with PostgreSQL since the 90's. He is the CEO and technical lead of CYBERTEC PostgreSQL International, a market leader in the field. He's served countless customers around the globe since the year 2000. He is also the author of the well-received "Mastering PostgreSQL" book series, as well as several other books about PostgreSQL replication and administration.

Articles by Hans-Jürgen Schönig

Using AI to generate data structures for PostgreSQL

by Hans-Jürgen Schönig | 07.2024
In this blog I decided to show some insights into what can be done by using AI to generate data structures for PostgreSQL.

Foreign keys in PostgreSQL: Circular dependencies

by Hans-Jürgen Schönig | 06.2024
In this blog Hans-Jürgen Schönig would like to tell you more about "Foreign keys and circular dependencies".

PERFORMANCE TUNING: MAX AND GROUP BY

by Hans-Jürgen Schönig | 04.2024
Time series, time series analysis and alike. Unlock the potential of your Performance Tuning services. Find some tipps about how to.

Enforcing join orders in PostgreSQL

by Hans-Jürgen Schönig | 03.2024
PostgreSQL handle joins & especially join orders? Internally the PostgreSQL does a good job to optimize queries but how does it really work?

PostgreSQL: Why true Open Source matters

by Hans-Jürgen Schönig | 01.2024
Data oulives applications. Data matters. So does reliable and well maintained software as well. Read more about Open Source benefits.

Citus live query inspection using citus_stat_activity

by Hans-Jürgen Schönig | 11.2023
How to use citus_stat_activity to get all the the information about your database shards you need at once - makes it super easy to debug.

Connection Management in PostgreSQL - reserved_connections

by Hans-Jürgen Schönig | 11.2023
Reserved connections are a new connection management feature added as of PostgreSQL 16. How to configure & use reserved_connections.

Kubernetes: Running the CYBERTEC PostgreSQL operator

by Hans-Jürgen Schönig | 11.2023
Learn how to use Minikube to run your PostgreSQL cluster in your own Kubernetes deployment and news about PostgreSQL operator.

Using multiple triggers on the same table in PostgreSQL

by Hans-Jürgen Schönig | 11.2023
What happens if you deploy many triggers on the very same PostgreSQL table? What order do the multiple triggers fire in?

kill -9 explained for PostgreSQL

by Hans-Jürgen Schönig | 11.2023
How to kill PostgreSQL processes properly: understand how kill -9 really works vs. a normal process kill. With examples.
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