How teradata ensures about any duplicate rows inserted
How teradata ensures that there are no duplicate rows being inserted while this SET table?
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Teradata will redirect the new inserted row according its PI to the target AMP (upon the basis of its row hash (#) value), and when this find same row hash value in which AMP (hash synonyms) then this start comparing the whole row, and determine if duplicate. When it’s a duplicate this silently skips this without throwing any error.
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