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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.

PostgreSQL on WSL2 for Windows: Install and setup

by Pavlo Golub | 11.2021
UPDATE on 23.02.2023: This post explains how to install PostgreSQL on WSL2 for Windows, apply the necessary changes to PostgreSQL […]

TCP keepalive for a better PostgreSQL experience

by Laurenz Albe | 10.2021
  (Updated 2023-06-22) If you've heard about TCP keepalive but aren't sure what that is, read on. If you've ever […]

WITH HOLD cursors and transactions in PostgreSQL

by Laurenz Albe | 10.2021
  Both cursors and transactions are basic ingredients for developing a database application. This article describes how cursors and transactions […]

SHOW TABLES in PostgreSQL: what's wrong with it?

by Pavlo Golub | 10.2021
In this article, I will answer the questions: why isn't there a  SHOW TABLES command in PostgreSQL, when will SHOW […]

OpenStreetMap service by CYBERTEC

by Florian Nadler | 10.2021
Importing OpenStreetMap data into PostGIS is time-consuming. Download OpenStreetMap offers two dataset types periodically served as sql dumps.

Gaps in sequences in PostgreSQL

by Laurenz Albe | 09.2021
  Most database tables have an artificial numeric primary key, and that number is usually generated automatically using a sequence. […]

JSON in PostgreSQL: how to use it right

by Laurenz Albe | 09.2021
  The comprehensive JSON support in PostgreSQL is one of its best-loved features. Many people – particularly those with a […]

Building an Oracle to PostgreSQL migrator: Lessons learned

by Hans-Jürgen Schönig | 09.2021
Oracle to PostgreSQL migration - Lessons learned in building a migration tool. How to avoid errors, null bytes and broken content.

PostGIS upgrade with Ubuntu 20.04.02

by Florian Nadler | 09.2021
Last time, we installed PostGIS on top of PostgreSQL. Today, I will show you how to upgrade PostGIS on Ubuntu 20.04.02.

Fixing out-of-sync sequences in PostgreSQL

by Hans-Jürgen Schönig | 08.2021
This post shows how to deal with out of sync PostgreSQL sequences in underlying tables using open-source pg_sequence_fixer extension
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