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Comparison: COUNT(*) vs COUNT(column)

Comparison card: COUNT(*) vs COUNT(column). COUNT(*): Counts all rows. COUNT(column): Counts rows where that column is not NULL.

Comparison card: COUNT(*) vs COUNT(column). COUNT(*): Counts all rows. COUNT(column): Counts rows where that column is not NULL.
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Comparison card: COUNT(*) vs COUNT(column). COUNT(*): Counts all rows. COUNT(column): Counts rows where that column is not NULL.

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