Using `TG_OP` Variables in PostgreSQL Triggers for Dynamic Event Handling

Workaround Strategies for PostgreSQL's RETURNING Clause Limitations When Updating Without ELSE Statement

How to Update a Table by Adding New Values to the First NULL Cell Preceding Each Column in MySQL

Regular Expression Updates in PostgreSQL: A Step-by-Step Guide

Optimizing Subqueries in Update Statements: A PL/SQL Deep Dive

Using SQLite for Efficient Data Storage in iPhone Apps: A Comprehensive Guide