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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.

Kostal Pico to PostgreSQL

by Hans-Jürgen Schönig | 05.2013
As there is hardly code available on the net showing how to access Kostal Pico, I decided to publish this one.

GIN - Just A Kind Of Index

by Hans-Jürgen Schönig | 03.2013
GIN stands for Generalized Inverted Index. Find out how data is organized within a PostgreSQL GIN index vs a B-Tree index e.g.

PostgreSQL 9.3: "One line - one standby"

by Hans-Jürgen Schönig | 01.2013
pg_basebackup for PostgreSQL: You'll see that the call itself already has all the info a user needs to write a simple recovery.conf file.

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
How can a simple database bring you into serious trouble? Find out in the context of taxes and CREATE SEQUENCE.

Outer joins revisited

by Hans-Jürgen Schönig | 08.2012
Outer joins require careful thought and planning to write correctly. How to write outer joins so that you get good results.
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