https://www.chenk.top/en/tags/relational-model/Recent content in Relational Model on Chen Kai BlogHugoenWed, 17 Apr 2024 09:00:00 +0000https://www.chenk.top/en/databases/01-data-models-and-sql/Wed, 17 Apr 2024 09:00:00 +0000https://www.chenk.top/en/databases/01-data-models-and-sql/<p>Every application you have ever used sits on top of a data model. Pick the wrong one and you spend the next three years fighting your own database instead of shipping features.</p> <p>For the past four decades, one model has dominated: the relational model. Flat tables, foreign keys, SQL. It is not glamorous. It is not trendy. But there is a reason almost every bank, airline, hospital, and e-commerce platform still runs on it — and understanding <em>why</em> is the first step to understanding databases at all.</p>