Tag: table

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

Use HOT, so CLUSTER won't rot in PostgreSQL

by Laurenz Albe | 06.2023
  CLUSTER is sometimes the last resort to squeeze performance out of an index scan. Normally, you have to repeat […]

VACUUM does not shrink my PostgreSQL table

by Hans-Jürgen Schönig | 10.2022
Did you ever wonder why VACUUM does not make your PostgreSQL tables smaller? Did you ever wonder why VACUUM does […]

Column order in PostgreSQL does matter

by Hans-Jürgen Schönig | 07.2022
I've recently seen some really broad tables (hundreds of columns) in a somewhat inefficiently structured database. Our PostgreSQL support customer […]

Entity-attribute-value (EAV) design in PostgreSQL - don't do it!

by Laurenz Albe | 11.2021
  Customers have often asked me what I think of “Entity-attribute-value” (EAV) design. So I thought it would be a […]

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 […]

PostgreSQL: Sophisticated temporary tables

by Hans-Jürgen Schönig | 10.2020
Temporary tables have been around forever and are widely used by application developers. However, there is more to temporary tables […]

Understanding recursive queries in PostgreSQL

by Laurenz Albe | 08.2020
  Many people consider recursive queries a difficult topic. Still, they enable you to do things that would otherwise be […]

Composite type performance issues in PostgreSQL

by Hans-Jürgen Schönig | 06.2020
This blog is about table functions and performance. PostgreSQL is a really powerful database and offers many features to make […]

What is autovacuum doing to my temporary tables?

by Hans-Jürgen Schönig | 10.2019
Did you know that your temporary tables are not cleaned up by autovacuum? Autovacuum cleans tables automatically Since the days […]

Tracking view dependencies in PostgreSQL

by Laurenz Albe | 09.2019
  We all know that in PostgreSQL we cannot drop an object if there are view dependencies on it: [crayon-6653befa5cbd8848743077/] […]
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