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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

BLOB cleanup in PostgreSQL

by Hans-Jürgen Schönig | 12.2020
PostgreSQL offers a nice BLOB interface which is widely used. Learn more about how PostgreSQL handles BLOBs - and especially BLOB cleanup.

pg_crash: Crashing PostgreSQL automatically

by Hans-Jürgen Schönig | 11.2020
How can one simulate failure when using a rock solid database like PostgreSQL? pg_crash: Crashing PostgreSQL automatically

PostgreSQL clustering: vip-manager

by Hans-Jürgen Schönig | 10.2020
vip-manager is a simple to use tool to handle service IPs in a PostgreSQL Patroni cluster | PostgreSQL High Availability Cluster

PostgreSQL: Foreign keys and insertion order in SQL

by Hans-Jürgen Schönig | 10.2020
Foreign keys will introduce some issues which have to be considered when writing applications. If a foreign key is in place the inseration order starts to matter.

zheap: Inspecting storage sizes

by Hans-Jürgen Schönig | 10.2020
Let's dig a bit deeper into zheap: it's more efficient in terms of storage consumption. The tuple header is smaller, alignment is better.

PostgreSQL: Sophisticated temporary tables

by Hans-Jürgen Schönig | 10.2020
There is more to temporary tables than meets the eye. Configure the lifespan of a temporary table and read more.

pg_squeeze: Optimizing PostgreSQL storage

by Hans-Jürgen Schönig | 10.2020
Is your database growing? | Optimize PostgreSQL storage | pg_squeeze has been designed to shrink your database tables without downtime.

zheap: Reinvented PostgreSQL storage

by Hans-Jürgen Schönig | 10.2020
zheap is a way to keep table bloat under control by implementing a storage engine capable of running UPDATE-intense workloads a lot more efficiently.

Debugging PL/pgSQL: GET STACKED DIAGNOSTICS

by Hans-Jürgen Schönig | 09.2020
GET STACKED DIAGNOSTICS makes debugging PL/pgSQL code a lot easier. This post will show what it does and how you can make use of it.

Generating a normal distribution in SQL

by Hans-Jürgen Schönig | 09.2020
SQL and PostgreSQL can be used to create sample data which possesses certain statistical properties like a normal distribution.
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