A classic example of relational database design, this would be nearly impossible to do in a spreadsheet but was easy to put together in Airtable.

Relational database design theory is an enormous topic, but you can learn a few principles that can get help you design an efficient travel database for your website.

As the rise of modern, cloud-native distributed relational databases from cloud providers or independents continues to grow, what can we expect next?

Microsoft Dataflex is a low-code relational database that helps businesses build and deploy Power Platform apps and chatbots for Microsoft Teams.

You design and maintainability observations are reasonable (and a very old struggle). Object-Oriented & Relational methods need grafting. It's why ORM's exist.

For Higher Computing Science revise how entities and attributes are identified prior to implementation of a database design.