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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

PostgreSQL: mapping timestamps (date_bin)

by Hans-Jürgen Schönig | 04.2022
date_bin and timestamps in PostgreSQL Date and time are relevant to pretty much every PostgreSQL application. A new function was […]

PostgreSQL: Creating checksums for tables

by Hans-Jürgen Schönig | 03.2022
There are certain types of questions which accompany any PostgreSQL consultant throughout his or her entire career. Invariably, one of […]

Manage encryption keys with PostgreSQL TDE

by Hans-Jürgen Schönig | 12.2021
Manage encryption keys with PostgreSQL TDE PostgreSQL TDE is a version of PostgreSQL which offers on-disk encryption for PostgreSQL. It […]

zheap UNDO logs discarding in PostgreSQL

by Hans-Jürgen Schönig | 12.2021
Some time ago, I posted some information about zheap, a storage engine for PostgreSQL. The idea behind zheap is to […]

pg_rewrite: PostgreSQL Table Partitioning

by Hans-Jürgen Schönig | 12.2021
PostgreSQL table partitioning is by far one of the most popular new PostgreSQL features. Many people look to partitioned tables […]

Primary Keys vs. UNIQUE Constraints in PostgreSQL

by Hans-Jürgen Schönig | 11.2021
Most of my readers will know about primary keys and all kinds of table constraints. However, only a few of […]

Building an Oracle to PostgreSQL migrator: Lessons learned

by Hans-Jürgen Schönig | 09.2021
Today, I want to share some of the lessons learned when it comes to actually building an Oracle to PostgreSQL […]

PostgreSQL: Create indexes after bulk loading

by Hans-Jürgen Schönig | 09.2021
Over the years, many of our PostgreSQL clients have asked whether it makes sense to create indexes before - or […]

PostgreSQL: The power of a SINGLE missing index

by Hans-Jürgen Schönig | 08.2021
Index missing? When an index is missing, good performance won’t be kissing a PostgreSQL user looking for efficiency but instead […]

Fixing out-of-sync sequences in PostgreSQL

by Hans-Jürgen Schönig | 08.2021
Creating auto increment columns in PostgreSQL is easy. Simply use two pseudo data types serial and serial8, respectively, then PostgreSQL […]
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