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Tag: development

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

A unique constraint where NULL conflicts with everything

by Laurenz Albe | 01.2023
  I have been faced with a request for an unusual unique constraint that puzzled me for a while. Since […]

Pagination and the problem of the total result count

by Laurenz Albe | 01.2023
  When processing a big result set in an interactive application, you want to paginate the result set, that is, […]

Improving GROUP BY with CREATE STATISTICS

by Hans-Jürgen Schönig | 01.2023
Analyzing time series often comes with challenges. This is especially true if you want to do a bit more than […]

UNION ALL, data types and performance

by Laurenz Albe | 12.2022
  A while ago, I wrote about the performance impact of query parameter data types. Recently I encountered a similar […]

Faceting large result sets in PostgreSQL

by Ants Aasma | 12.2022
While the term faceting may sound foreign to you, you almost certainly have run into it in your adventures online. […]

Partition PostgreSQL: which partition did I INSERT my data into?

by Hans-Jürgen Schönig | 11.2022
Partitioning is one of the most desired features of PostgreSQL, widely adopted by developers. This is not only true for […]

Rewrite OR to UNION in PostgreSQL queries

by Laurenz Albe | 11.2022
  In my article that reviles OR, I showed how in certain cases, it is possible to rewrite OR in […]

pgbouncer: Types of PostgreSQL connection pooling

by Hans-Jürgen Schönig | 10.2022
pgbouncer is one of the most widely used tool for connection pooling. At CYBERTEC, we've successfully deployed it in many […]

LISTEN / NOTIFY: Automatic client notification in PostgreSQL

by Hans-Jürgen Schönig | 09.2022
What is LISTEN and NOTIFY? LISTEN / NOTIFY is a feature that enables users to listen to what goes on […]

PostgreSQL: Sequences vs. Invoice numbers

by Hans-Jürgen Schönig | 09.2022
Sequences are a core feature of SQL. However, some users are tempted to implement sequences to generate invoices. That's dangerous […]
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