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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.

ALTER TABLE ... ADD COLUMN … done right in PostgreSQL

by Hans-Jürgen Schönig | 08.2022
Running ALTER TABLE … ADD COLUMN can cause serious issues in production. Understand how to cleanly change PostgreSQL data structures.

Migrate scheduled jobs to pg_timetable from pgAgent

by Pavlo Golub | 08.2022
Why migrate to pg_timetable from pgAgent? There are many reasons, actually, why people might want to export pgAgent jobs to […]

How to corrupt your PostgreSQL database

by Laurenz Albe | 08.2022
Of course most people do not want to corrupt their databases. These people will profit from avoiding the techniques used […]

Meet the CYBERTEC Migrator

by CYBERTEC Guest | 07.2022
Migrate to PostgreSQL fast, furious, and FREE: get the CYBERTEC Migrator Standard Edition, the fastest free migration tool!

Handling Bonus Programs in SQL

by Hans-Jürgen Schönig | 07.2022
Learn how to address the issue of bonus programs in SQL, improve your understanding of PostgreSQL, and calculate bonus points efficiently

Transaction anomalies with SELECT FOR UPDATE

by Laurenz Albe | 06.2022
  I was recently confronted with a nice example of how adding FOR UPDATE to a query can introduce transaction […]

Debugging deadlocks in PostgreSQL

by Laurenz Albe | 06.2022
  (Updated 2023-04-07) Even if you understand what a deadlock is, debugging deadlocks can be tricky. This article shows some […]

Case-insensitive pattern matching in PostgreSQL

by Laurenz Albe | 06.2022
    (Updated on 2024-11-27) Case-insensitive search is a much-requested feature, partly (I suspect) to maintain compatibility with Microsoft SQL […]

Migrate scheduled jobs to pg_timetable from pg_cron

by Pavlo Golub | 06.2022
Why migrate to pg_timetable from pg_cron? There are a lot of reasons you may want to migrate from pg_cron: maybe […]

View permissions and row-level security in PostgreSQL

by Laurenz Albe | 06.2022
  The details of how view permissions are checked have long puzzled me. PostgreSQL v15 introduces “security invoker” views, which […]
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