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A primary key must satisfy all of the following conditions EXCEPT: the key must uniquely identify the entire row. the key can't contain null values
A primary key must satisfy all of the following conditions EXCEPT:
the key must uniquely identify the entire row.
the key can't contain null values
each nonkey attribute is functionally dependent upon it
the key must indicate the row's position in the table.
the key must be nonredundant.
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