The Goal Is Not Perfect Data
- Jul 23
- 2 min read

Every executive wants reliable data.
Some go further and ask for something that sounds even better:
“Can we make it 100% accurate?”
The honest answer is no.
Data will never be perfect.
Business processes change. People make mistakes. New systems are introduced. Definitions evolve. Even well-designed validation rules eventually need to be adjusted.
The goal of Data Governance is not to create a world in which errors never happen.
The goal is to make sure the most important data is protected, monitored and corrected before an ordinary mistake becomes a business problem.
That distinction matters.
Trying to control every data point with the same level of intensity is not only unrealistic. It is also expensive.
Some data affects regulatory reporting.
Some influences management decisions, financial results or customer relationships.
Other data may be useful, but its failure would have little impact on the organization.
Treating all of them equally means spending time and resources where they create the least value.
A more mature approach starts with the business.
Management identifies the reports, KPIs and information used for important decisions.
Data Governance then follows those numbers back through dashboards, transformations, databases and source systems to understand which data points actually influence them.
Those critical data points deserve the strongest controls.
And whenever possible, those controls should be placed at the moment of data entry.
A mistake stopped at the source is relatively easy to correct.
Once it passes through integrations, calculations and reports, the organization may need to investigate every place where it was used—and whether someone has already made a decision based on it.
Controls at later stages still matter, but they should support the first line of defence, not replace it.
There will also be legitimate exceptions.
A business process may change faster than a validation rule. A rare case may not fit the existing logic. A control may temporarily block valid work.
But an exception should remain temporary.
It needs a clear owner, an agreed period of tolerance and a decision on what happens next: whether the business rule changes, a new validation is introduced or the control is moved to a more appropriate point in the process.
Otherwise, today’s exception quietly becomes tomorrow’s normal way of working.
Good Data Governance therefore cannot be measured by the promise of perfect data.
It is visible in something more practical:
Critical data is clearly defined and documented.
Data Owners and Data Stewards understand their responsibilities.
Validation rules protect the most important data points without creating constant false alarms.
A governance body exists to support decisions and resolve uncertainty.
And when a genuine problem appears, it is addressed quickly.
Only after expectations are documented, communicated and supported by appropriate controls can an organization fairly hold individuals accountable.
You cannot challenge someone for breaking a rule that was never clearly written.
Perfect data does not exist.
But data that is understood, prioritized and kept under control does.
And that is a far more useful goal.



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