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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 9.4 aggregate filter clauses: They do pay off

by Hans-Jürgen Schönig | 02.2015
In this blog ppost we cover the impact of aggregate FILTER clauses have on performance. Find out more about aggregation filters.

Partial aggregation: The beautiful way

by Hans-Jürgen Schönig | 02.2015
Partial aggregation: Functions such as min, max, count, sum, avg and so on are used in virtually every application. Find out more.

Managing backup speed with pg_basebackup

by Hans-Jürgen Schönig | 01.2015
How to adjust backup speed when using pg_basebackup in PostgreSQL. What if the I/O capacity of servers is low & network bandwidth is large?

Analytics: Lagging entire rows

by Hans-Jürgen Schönig | 10.2014
There is a PostgreSQL feature in the area of analytics which is not widely known: the power to use composite data types along with analytics.

walbouncer: Filtering the transaction log

by Hans-Jürgen Schönig | 10.2014
You might not want to replicate all data to your standbys. walbouncer can filter the transaction log, & replicate only the data needed.

Killing proper indexing: A neat idea

by Hans-Jürgen Schönig | 10.2014
There are a couple of ways to kill indexing entirely. One of this ways is to apply functions or expressions. Read out in our blog.

Next stop: Joining 1 million tables

by Hans-Jürgen Schönig | 09.2014
This week I started my preparations for one of my talks in Madrid. The topic is: "Joining 1 million tables". […]

Checking per-memory context memory consumption

by Hans-Jürgen Schönig | 09.2014
Internally PostgreSQL makes use of so called “memory contexts”. What is the idea and what are the advantages? Find out here.

Shrink the storage footprint of PostgreSQL data

by Hans-Jürgen Schönig | 08.2014
Keep the order of your columns in mind to unleash optimization potentials and reduce the table size in your PostgreSQL database.

pg_resetxlog: renamed to pg_resetwal

by Hans-Jürgen Schönig | 08.2014
pg_resetxlog was formerly a feature of PostgreSQL. This has been renamed to pg_resetwal, see the update in the blog.
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