SQL Operators: Comparison, Logical, and Arithmetic Explained
SQL operators are the small pieces every WHERE clause is built from. This guide groups them into families — comparison, logical, arithmetic, and shorthand membership and pattern operators — then works through all of them on a small plant-shop database you can reproduce yourself, including the precedence and NULL traps that catch people off guard.
July 14, 2026 in SQL by Mehdi Lotfinejad12 minutes