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WHAT IS CARDINALITIES OF JOIN?

Answer Posted / naresh

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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