Question: What does a column being specified as unique mean about the values of within the column? values within the column are drawn from a different

What does a column being specified as "unique"

What does a column being specified as "unique" mean about the values of within the column? values within the column are drawn from a different domain from other columns within the table values within the column do not appear anywhere else in the table values within the column are not constrained by society's conceptions of what a value within a column should be values within the column cannot repeat

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