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Laurenz Albe

Senior Consultant & Support Engineer
Laurenz Albe is a senior consultant and support engineer at CYBERTEC. He has been working with and contributing to PostgreSQL since 2006, has written patches for core, and wrote oracle_fdw. He holds a Master's degree in Mathematics from the University of Vienna and a Master's in Computer Science from the Technical University of Vienna. In his spare time he enjoys reading to his children and pondering the roots of language.
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Articles by Laurenz Albe

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 […]

How to cancel a hanging PostgreSQL query

by Laurenz Albe | 05.2022
  Sometimes a PostgreSQL query takes forever. Usually, it is easy to interrupt (cancel) such a statement, but sometimes it […]

Time zone management in PostgreSQL

by Laurenz Albe | 05.2022
  Next to character encoding, time zones are among the least-loved topics in computing. In addition, PostgreSQL's implementation of timestamp […]

How to DROP ROLE or DROP USER in PostgreSQL

by Laurenz Albe | 03.2022
  You might, at first glance, believe that DROP ROLE (or DROP USER, which is the same) is a simple […]

Query parameter data types and performance

by Laurenz Albe | 03.2022
  Recently, I could help solve a “mysterious” performance problem for a customer. The problem turned out to be a […]

Pipeline mode for better PostgreSQL performance on slow networks

by Laurenz Albe | 03.2022
  It is known that high network latency is bad for database performance. PostgreSQL v14 has introduced “pipeline mode” for […]

Automatic partition creation in PostgreSQL

by Laurenz Albe | 02.2022
  Table partitioning is one of the best-liked features out of the more recent PostgreSQL developments. However, there is no […]

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 […]

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 […]
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