FIWARE Data Access (FDA) is a smart city API designed to efficiently store and query datasets in an object storage
server.
It replaces Pentaho CDA extensions and provides a modern, reusable approach to analytical data access.
The main concepts in FDA are:
- FDA (FIWARE Data Access): a precomputed, materialized dataset stored in Parquet format in object storage.
- DA (Data Access) / CDA (Community Data Access): parameterized queries executed on top of an FDA, producing JSON results.
FDA interacts with several systems:
- PostgreSQL (source database)
- MinIO (object storage)
- MongoDB (metadata persistence)
- DuckDB (query execution on Parquet datasets)