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Answer Posted / nareshkumar
Cardinality is a property of a join that describes how many
rows in one table match rows in another table. Cardinality
is expressed as the minimum and maximum number of rows in a
column at one end of a join, that have matching rows in the
column at the other end of the join.
The minimum and the maximum number of row matches can be
equal to 0, 1, or N.
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