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Category: How To

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Here you can find all blog posts about the Category: How To. You can go back to all blog posts or take a look into our other categories & tags.

pg_service.conf: The forgotten config file

by Hans-Jürgen Schönig | 02.2016
Occasionally, I uncover long-standing but overlooked PostgreSQL features. One such rarely-used feature is "pg_service.conf," a file you can create to […]

Permissions: A little trickery

by Hans-Jürgen Schönig | 12.2015
The PostgreSQL permissions machinery is a pretty powerful thing. It allows people to come up with wonderful permission systems. In […]

Producing LaTeX output

by Hans-Jürgen Schönig | 12.2015
I think I first touched PostgreSQL in 1998 or 1999. It has been a long time, but PostgreSQL keeps inspiring […]

Flexible grouping: Some dirty SQL trickery

by Hans-Jürgen Schönig | 11.2015
While doing PostgreSQL consulting for a German client, I stumbled over an interesting issue this week, which might be worth […]

Scaling PostgreSQL: Using more than just one core for aggregation

by Hans-Jürgen Schönig | 09.2015
Scaling PostgreSQL: Modern servers provide people with more and more CPU cores. 16 cores or more are not uncommon these […]

Fuzzy search unleashed

by Hans-Jürgen Schönig | 08.2015
There are still many people out there who cannot spell the name of their favorite database. “PostgreSQL”, “PostgresSQL”, “Postgre SQL” […]

Turning xlog into JSON

by Hans-Jürgen Schönig | 08.2015
Nowadays JSON is used pretty much everywhere. It's not only web developers who like JSON. It is also used for […]

Transactional DDLs

by Hans-Jürgen Schönig | 07.2015
When checking out the new features of Sybase 15.7 (yes, from time to time I get around to see what […]

Naming temporary tables properly in PostgreSQL

by Hans-Jürgen Schönig | 06.2015
Temporary tables are a core feature of SQL, and are commonly used by people around the globe. PostgreSQL provides a […]

Partial aggregation: The beautiful way

by Hans-Jürgen Schönig | 02.2015
Partial aggregation: Aggregations are a fundamental feature of SQL. Functions such as min, max, count, sum, avg and so on […]
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