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Scenario
A very large size query returns a lot of fields from multiple joined tables.
Some records seem to be duplicated.
You accomplish some checks, some grouping. You focus on a couple of records for further investigation.
Still, there are too much fields to check each value.
Question
Is there any built-in function that compares two records, returning TRUE if the records match, otherwise FALSE and the set of not matching fields?
The
CHECKSUMfunction should help identify matching rows