Which property of a relation is used to represent number of columns?
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Properties of relational databases
☆Values are atomic.
☆All of the values in a column have the same data type.
☆Each row is unique.
☆The sequence of columns is insignificant.
☆The sequence of rows is insignificant.
☆Each column has a unique name.
☆Integrity constraints maintain data consistency ☆across multiple tables.
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