Stage 1: Capture data requirements
Knobit of Data modelling · K-160 · Knowledge
Explains persistent identifiers
What it means
Identifiers are never reused or renumbered; an entry leaving use is retired with its identifier, not deleted.
How it is assessed
Decides for sample changes whether identity is preserved
Builds on
- None
Needed by
- Recognises unstable requirement identifiersK-134 · Skill
- Recognises a surrogate value with meaning, reused or renumberedK-611 · Skill
- Recognises a taxonomy node deleted while data still refers to itK-423 · Skill
- Recognises a node code reused for a different conceptK-424 · Skill
- Retires a superseded register entry instead of deleting itK-135 · Skill
- Explains data model versioning and change managementK-916 · Knowledge