Tag: view

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View Access Logging - Fix it in PostgreSQL

by CYBERTEC Guest | 07.2023
By Kirk Wolak Continuous Improvement is an important part of reducing technical debt. Over 30 years our active database has […]

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 […]

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 […]

Creating and refreshing materialized views in PostgreSQL

by Hans-Jürgen Schönig | 06.2021
A “materialized view” is a database object which stores the result of a precalculated database query and makes it easy […]

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-6654094738e15981143817/] […]


by Hans-Jürgen Schönig | 05.2018
In PostgreSQL, a view is a virtual table based on an SQL statement. It is an abstraction layer, which allows […]

PostgreSQL performance: How the optimizer handles views

by Hans-Jürgen Schönig | 02.2018
“How does the PostgreSQL optimizer handle views?” or “Are views good or bad?” I assume that every database consultant and […]
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