7 Data Structures

This section provides information on the core data structures/data models that are used by this Building Block.

7.1 Resource Model

The resource model shows the relationship between data objects that are used by this Building Block.

7.2 Data Structures

The Data Structures provide detail for the Resource Model defined above. This section will list the core/required fields for each resource.

7.2.1 Minimum Required Data

Description: The Data Structures can be extended for a particular use case, but they must always contain, at the minimum, the fields defined here.

Fields:

Name	Type	Description	Notes
Database ID	integer	Unique identifier of a database.	Required
Database name	varchar	Name that will define the database content. Name is public.	Required
Schema ID	integer	Database schema ID	Required
Database schema	json object	Database schema. See example in Chapters 7.3.1 and 7.3.2.	Required
Version	numeric	Database version. Each change in schema will produce the next version of the database and API services.	Required
Data ID	integer	Data element unique identifier.	Required
Registry number	varchar	Additional registry identifier. Unique identifier in the registry.	Required
Field type	varchar	Field type: datetime, date, boolean, text, number, file.	Required
Field value	datetime, date, boolean, text, number	Field value, data stored in the field.	Required
Audit log old value	datetime, date, boolean, text, number	Field value before change.	Required
Audit log new value	datetime, date, boolean, text, number	Field value after the change.	Required

Standards/Protocols

The following standards are applicable to data structures in the Digital Registries Building Block:

• OpenAPI Version 3.0.0, 3.0.1, 3.1.0.