PostgreSQL: How to Combine Data from 2 Tables (4 examples)
Introduction In the realm of database management, PostgreSQL stands out for its robust features and flexibility. One common task that database administrators and developers often encounter is combining…
Using cursor-based pagination in PostgreSQL: Step-by-Step Guide
Overview When dealing with large datasets in PostgreSQL, traditional offset-based pagination becomes inefficient and slow, negatively impacting performance and user experience. A more efficient alternative is cursor-based pagination,…
PostgreSQL: How to reset the auto-increment value of a column
Introduction PostgreSQL offers powerful data storage capabilities, but managing auto-increment values, especially in SERIAL or IDENTITY columns, is a common challenge that developers face. It’s crucial to understand…
PostgreSQL: How to add a calculated column in SELECT query
Introduction In the realm of relational database systems, PostgreSQL stands out for its robustness, flexibility, and compatibility with standards. One of the powerful features of PostgreSQL is the…
PostgreSQL: How to Drop FOREIGN KEY Constraints
Working with databases often requires you to modify the schema to adapt to changes in your application’s structure or logic. One common task you may encounter is the…
Composite Indexes in PostgreSQL: Explained with Examples
Mastering database efficiency often necessitates a deep dive into the mechanics of indexing. In PostgreSQL, one of the powerful features available to developers and database administrators (DBAs) for…
Exploring GIN (Generalized Inverted Indexes) in PostgreSQL (with Examples)
PostgreSQL, renowned for its extensibility and compliance with SQL standards, offers a variety of indexing techniques to optimize query performance on large datasets. Among these, Generalized Inverted Indexes…
Custom Collations and Types in PostgreSQL: The Complete Guide
Overview When working with PostgreSQL, understanding the in-built types and collations can drastically improve your data manipulation capabilities. However, when dealing with unique data sets and internationalization requirements,…
Understanding Hash Indexes in PostgreSQL
PostgreSQL, the advanced open-source database management system, offers a multitude of indexing strategies to optimize query performance. Among the various index types, the hash index stands out for…
PostgreSQL GiST (Generalized Search Tree) Indexes: Explained with Examples
Overview PostgreSQL is renowned for its robust performance, optimal scalability, and extensive customization capabilities. Among its powerful features are the indexing mechanisms it offers. In this article, we…
