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Tag: development

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

PostgreSQL exclusion constraints: Beyond UNIQUE

by Hans-Jürgen Schönig | 07.2016
UPDATED AUGUST 2023: A couple of years ago, PostgreSQL introduced so called “exclusion constraints”, which are defined with the EXCLUDE […]

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 […]

Indexing Wikipedia

by Hans-Jürgen Schönig | 10.2015
Wikipedia is one of the most relevant collections of text data on the Internet today. It consists of countless entries […]

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” […]

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 […]

Forking databases - the art of copying without copying

by Ants Aasma | 01.2015
I received a question about how to fork PostgreSQL databases like you can do on Heroku. As I did not […]

Analytics: Lagging entire rows

by Hans-Jürgen Schönig | 10.2014
PostgreSQL has offered support for powerful analytics and window functions for a couple of years now. Many people all around […]

Code size over time

by Hans-Jürgen Schönig | 08.2014
With PostgreSQL 9.4 just around the corner and 8.4 just retired I thought it is time to review those years […]

Speed up PostgreSQL data loading with COPY (FREEZE)

by Hans-Jürgen Schönig | 08.2014
UPDATED JULY 19, 2023 - When I do training here at CYBERTEC, people often ask how to load data fast […]
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