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A Daily Lexicon of Trustworthy Data

005·76

data quality rule

/ˈdeɪ.tə ˈkwɒl.ɪ.ti ruːl/ - n.

1 [colloq.] A test that fires, raises a ticket, and waits to learn whether anyone meant it.Keep. Punchy.This is the problem.

Working definition

2. A codified, testable assertion about data — a constraint, range, or relationship — whose pass or fail is evaluated against incoming records.

Evidence

See also

quality thresholdA number set just below the current measurement, so the check passes on the day it ships.
remediation backlogThe list of things everyone agrees are broken, sorted by how long they have been agreed.
validationConfirming the data is the right shape, and inferring nothing about whether it is true.