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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.

Joining data from multiple Postgres databases

by CYBERTEC Guest | 08.2017
How to join or search data from multiple independent PostgreSQL databases to present it as one logical entity. Here are 4 methods.

Finding patterns in timeseries: A poor man's method

by Hans-Jürgen Schönig | 07.2017
UPDATED Aug 2023: Learn a trick in PostgreSQL timeseries analysis: Look for trends or known patterns in data - encode timeseries as strings.

Writing your own aggregation functions

by Hans-Jürgen Schönig | 07.2017
Database engines usually provide basic aggregate functions. This shows how to create your own code to calculate on the server side.

PostgreSQL & tablespaces - it's not so scary ...

by CYBERTEC Guest | 05.2017
What are tablespaces? How and why should I use them? Get the most out of PostgreSQL tablespaces, us CREATE, GRANT CREATE ON and ALTER

Removing duplicate rows in PostgreSQL

by Hans-Jürgen Schönig | 04.2017
What if you accidently load data twice? How can developers handle duplicate data and cleanup things? | Removing duplicate rows.

Custom replication handlers for Postgres-BDR

by CYBERTEC Guest | 04.2017
How can built-in conflict resolution strategies get manually resolved. Read more about samples for writing a custom BDR replication handler

Number one thing to watch out for when doing Postgres Streaming Replication

by CYBERTEC Guest | 03.2017
Read a recap on the most important thing people should take into account when running PostgreSQL Streaming Replication.

Experimenting with scaling and full parallelism in PostgreSQL

by Hans-Jürgen Schönig | 02.2017
How-to about scaling PostgreSQL to one billion rows per second. We show you hands-on how to get the most out of your PostgreSQL server farms.

A more detailed look at Pgwatch2 PostgreSQL monitoring tool

by CYBERTEC Guest | 02.2017
Find out more about the pgwatch2 monitoring tool: we’ll look a bit deeper under the hood and provide more info on customization.

Checkpoint distance and amount of WAL

by Hans-Jürgen Schönig | 01.2017
Tuning the database server affects the amount of WAL written to disk. Fewer checkpoints are a good idea for bigger databases.
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