Tag: foreign key

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PostgreSQL: Foreign keys and insertion order in SQL

by Hans-Jürgen Schönig | 10.2020
In SQL, the concept of foreign keys is an important one that can be found in all professional databases used […]

1-to-1 relationship in PostgreSQL for real

by Pavlo Golub | 05.2019
Years ago Years ago I wrote this post describing how to implement 1-to-1 relationship in PostgreSQL. The trick was simple […]

Foreign Key Indexing and Performance in PostgreSQL

by Laurenz Albe | 10.2018
Foreign key constraints are an important tool to keep your database consistent while also documenting relationships between tables. A fact […]

PostgreSQL: Indexes and foreign keys

by Hans-Jürgen Schönig | 07.2017
Recently we have received a couple of PostgreSQL support calls, which were related to bad performance on various deployments. In […]
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