PostgreSQL: How to store images in database (and why you shouldn’t)
Introduction Storing images in databases is a topic that often leads to heated debate among developers and database administrators. While PostgreSQL, a robust and scalable relational database system,…
REINDEX in PostgreSQL: A Complete Guide
Overview Maintaining the efficiency of database operations is imperative for any application relying on relational databases. One of the tools provided by PostgreSQL to help maintain performance is…
PostgreSQL: Ways to Remove Old Indices from a Table
Introduction Managing database performance often involves working with indices. In PostgreSQL, indices play a crucial role in speeding up data retrieval but can also become a performance issues…
PostgreSQL: Selecting Rows Randomly Based on Weight (3 Ways)
Introduction When working with databases, there are times when you need not just a random row but a random row selected based on certain weights. This is common…
How to Implement Caching in PostgreSQL
Introduction Effective caching is critical in enhancing database performance by reducing the access time for frequently requested data. In this tutorial, we will explore several methods to implement…
How to Temporarily Lock a Sequence in PostgreSQL
Introduction Locking a sequence in PostgreSQL is essential when you need to prevent concurrent modifications and ensure data consistency during a transaction. This tutorial will guide you through…
Overriding Sequence Ownership in PostgreSQL
Introduction In PostgreSQL, sequences are special schemas used for generating unique numeric identifiers. Sometimes it’s necessary to customize the control of a sequence’s ownership for more complex database…
3 Ways to Auto-Backup a PostgreSQL Database on Ubuntu
Ensuring that your PostgreSQL database is regularly backed up is a critical aspect of database administration, particularly on widely used operating systems like Ubuntu. In this guide, we…
Using REVERSE String Function in PostgreSQL
Overview The REVERSE string function in PostgreSQL is quite a straightforward but incredibly useful string manipulation tool. This function, designed to reverse the order of the characters in…
Understanding PostgreSQL Array Search Functions
Overview PostgreSQL, an advanced open-source database, introduced support for array data types in version 7.3, released in November 2002. Since its introduction, PostgreSQL has seen a wealth of…
