Converting PostgreSQL Date Columns to Integer Type: A Step-by-Step Guide

Filtering Items from a Many-to-Many Relation Table Using SQL and Postgres Arrays

Understanding the Limitations of Postgres Triggers for Time-Based Updates: Alternatives to Triggers

Using a Pivot Query with Filtering to Get Column Value as Column Name in SQL

Understanding HAVING and Aliases in PostgreSQL for Efficient Query Writing

Choosing Between IN and ANY in PostgreSQL: A Comparative Analysis for Efficient Query Construction

Sampling Records from Each Hour in a Database Query: A Comprehensive Guide

Finding Rows with Duplicate Values in Two Columns Using Self-Join: A Practical Guide

Counting Cars Rented Per Month in PostgreSQL

Finding Actors and Movies They Acted In Using SQL Subqueries and Self-Joins: A Comparative Analysis of UNION ALL and LEFT JOIN