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Christoph Berg

PostgreSQL Developer & Consultant
Christoph is a Senior PostgreSQL Engineer at CYBERTEC. He's also a PostgreSQL Major Contributor and Debian developer. In his free time, he's a ham radio operator. He enjoys morse telegraphy contests and DXing to remote countries, is a modestly successful bridge player and an occasional geocacher.
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Articles by Christoph Berg

Git Filters

by Christoph Berg | 05.2024
Is it possible that the git filter clones reduce the overall disk consumption and which other options are possible?

PGconf.de 2024 in Munich

by Christoph Berg | 04.2024
I had the pleasure of attending PGConf.de in Munich on April 12, 2024. Here I report on my experiences and insights.

Recovering Deleted Data From PostgreSQL Tables

by Christoph Berg | 03.2024
Four options in recovering deleted data. In this article we will show you four options how to restore your data.

FOSDEM 2024 in Brussels

by Christoph Berg | 02.2024
I went to FOSDEM 2024 in Brussels. In this post I would like to tell you about my personal impressions concerning this event.

The 2023 PGconf.EU in Prague

by Christoph Berg | 12.2023
The PGConf.eu took place 2023 in Prague. It was a great time with other CYBERTEC members and of course interesting topics.

PostgreSQL on s390x

by Christoph Berg | 11.2023
I am happy to announce PostgreSQL family is growing again, with the addition of IBM’s z-series architecture, called “s390x” in Debian terms.

Exclusion constraints in PostgreSQL and a tricky problem

by Christoph Berg | 09.2023
Exclusion constraints in PostgreSQL are complex, see this use case using WHERE STATUS. There are limits to what exclusion constraints can do.

Reproducible builds: a PostgreSQL query optimization example

by Christoph Berg | 07.2023
This post shows how to optimize a slow query that came out of the Reproducible Builds project. The Reproducible Builds […]
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