Question: One data validation method discussed can benefit from using a negative logic approach. That is , we attempt might check to see if the data

One data validation method discussed can benefit from using a negative logic approach. That is, we attempt might check to see if the data offered is missing from a data store. Which of the following data validation methods is this?
Cross-field validation
Referential Integrity check
Values based check
Range check
Type check
Length check
Metadata check
Format check
Presence check
Pattern check
Uniqueness check
Consistency check
Checksum validation
Batch ID check

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