...
- Use FileMaker if your client is reluctant to use a programming language
- Don’t use FileMaker if your client needs very specific functionality or is looking for very cheap solutions ($197 for non-profit edition)
- Use placeholder tables if you’re unsure of how to export data
PostgreSQL - Open-source RDBMS with similar syntax to other popular SQL flavors. Has native support for unique and flexible datatypes like ARRAY and JSON.
Cloud Firestore - NoSQL database service offered by Google Cloud Platform. Has client and server libraries for just about any language. Very inexpensive, especially when considering the $300 annual credit all GCP accounts get.