Data Dictionary
A technical reference documenting the structural facts about a data asset: field names, data types, nullability, source system, and update frequency. Answers "what is this field, technically." Does not answer "what does this business term mean," which is the business glossary's job.
Defined in 2 GAGE programs, which carry 2 distinct definitions of it. The wording above is taught in Certified AI Data Governance Professional (CADGP).
How each discipline defines it
The same term does different work depending on who is using it. These are the definitions as each program teaches them, unedited.
A technical reference documenting the structural facts about a data asset: field names, data types, nullability, source system, and update frequency. Answers "what is this field, technically." Does not answer "what does this business term mean," which is the business glossary's job.
A document defining every data field in a system: its name, type, allowed values, format standard, and purpose; essential for consistent data entry across a team.
Where it is taught
The exact lessons this term appears in. The first module of every program is free with a free account.
- Data Readiness for Small Operations · Digital Foundations, Certified AI Practitioner: Workplace Foundations
- The business glossary fight: one company, one definition of customer, finally · The Catalog That Lives, Certified AI Data Governance Professional (CADGP)
Terms it appears with
Not an alphabetical neighbourhood: these are the terms taught in the same lessons, ranked by how often they appear together.