If a column contains 7 values and 6 distinct values, the cardinality i – InterviewSolution

InterviewSolution

1.	If a column contains 7 values and 6 distinct values, the cardinality is __________(a) 7(b) 6(c) 13(d) 1
Answer» Right choice is (b) 6 Best explanation: In MySQL, the cardinality of a column is the number of distinct values that it contains. A column that contains the values 1, 2, 3, 4, 4, 5, 6 has a cardinality of six and not seven.

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