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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

GIN - Just A Kind Of Index

by Hans-Jürgen Schönig | 03.2013
As far as PostgreSQL is concerned, GIN means an access method (index type) rather than a drink. The acronym stands […]

PostgreSQL virtualization revisited

by Hans-Jürgen Schönig | 03.2013
Virtualization has been one of the pre-dominant topics in the past couple of years. Not going to the cloud is […]

PostgreSQL 9.3: "One line - one standby"

by Hans-Jürgen Schönig | 01.2013
Sometimes it happens that you reach a point where you know that things cannot be any easier than they already […]

Better PostgreSQL performance on SSDs

by Hans-Jürgen Schönig | 01.2013
The optimizer uses several parameters to optimize queries. Those parameters have been constant for many years in the past. This […]

Removing duplicates in PostgreSQL

by Hans-Jürgen Schönig | 12.2012
Today somebody asked me how to remove duplicates which accidentally made it into a table. The problem is: A normal […]

Why the tax collector hates sequences

by Hans-Jürgen Schönig | 09.2012
I guess people might wonder why I started to write posts about taxes. Well, I pay my taxes for my […]

Outer joins revisited

by Hans-Jürgen Schönig | 08.2012
Some time ago I wrote about joins and especially about outer joins. However, people repeatedly make the same errors over […]
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