411 REFERENCE · Wikibooks
Data Science: An Introduction/Data Dictionaries and Schemas
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
A data dictionary is a reference that contains the definition and description of data elements. A schema is a model of the relationship between data elements.
Contents of a data dictionary
Technical and non-technical
Metadata
Semantics
ISO 11179