Similar to スーパーキー

Create, read, update and delete

Document type definition

XML

IDEF1X

IFLA Library Reference Model

Meta-Object Facility

Namespace-based Validation Dispatching Language

Regular Language description for XML

RELAX NG

Standard Generalized Markup Language

TREX

YANG

IDEF

One-to-one (data model)

One-to-many (data model)

Relational database

Database normalization

Spatial econometrics

Codd's 12 rules

Information model