A

Admin • 802.91K Points
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Q. If a column contains 7 values and 6 distinct values, the cardinality is

  • (A) 7
  • (B) 6
  • (C) 13
  • (D) 1
Explanation by: Admin
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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