Overview & data model

What SESAR stores about a sample, what is required, and how fields map from legacy and external schemas.

This section covers SESAR sample metadata: requirements, the database schema, legacy migrations, and external crosswalks. Controlled term lists are in Vocabularies; programmatic create/update is in API.

If you want to…	Start here
View a "Quick Guide" to SESAR's database schema/fields	SESAR schema quick guide
Understand what fields are required vs optional for all SESAR records	Field requirements
Closely inspect SESAR's data structures	Detailed database schema
Understand how SESAR 1.0 fields to the new schema	Field crosswalk (old → new)
Understand how controlled vocabularies were renamed or changed	Renamed vocabularies
Map old sample types to object type	Sample type to object type
Map old classification to material type	Classification to material type
See how SESAR metadata is mapped to DataCite records	DataCite crosswalk