मराठी

In SQL, the aggregate function which will display the cardinality of the table is ______. - Computer Science (Python)

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प्रश्न

In SQL, the aggregate function which will display the cardinality of the table is ______.

पर्याय

  • sum()

  • count(*)

  • avg()

  • sum(*)

MCQ
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उत्तर

In SQL, the aggregate function which will display the cardinality of the table is count(*).

Explanation: 

A table's cardinality is its number of rows, which is returned by count(*) from the statement.

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