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A Daily Lexicon of Trustworthy Data

005·76

uniqueness

/juːˈniːk.nəs/ - n.

1 [colloq.] The dimension that is perfect right up to the first merger.Keep. Punchy.This is the problem.

Working definition

2. The degree to which each real-world entity is represented by exactly one record, with no unintended duplicates.

Evidence

Seen in the wild · 1

The Build Checks the Shape. It Will Not Enforce the Promise.Owner Missing

See also

data quality dimensionOne of six words a vendor promises to measure and a scorecard promises to average into a single reassuring number.
deduplicationThe quarterly project to merge the duplicate customers, which itself runs in three teams under two names.
golden recordThe one true version of the customer, assembled from five wrong ones by a rule no one in the room can recite.