Question at position 37 COUNT(*) tallies only those rows that contain a value, while COUNT counts all rows.TrueFalse

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The question states: 'Question at position 37 COUNT(*) tallies only those rows that contain a value, while COUNT counts all rows. True/False'

Option 1: True
- This claim is not accurate. COUNT(*) does not tally only rows with non-null values; it counts every row in the result set, regardless of any column values. It does not filter on nulls for the count. In contrast, COUNT(column_name) counts only the rows where that specific column is not null. The statement reverses the actual behavior, making this option incorrect.

Option 2: False
- This statement correctly reflects SQL behavior. COUNT(*) returns the total number of rows in the result set, including rows with nulls in any column. COUNT(column_name) (or COUNT(expression)) returns the number of rows where the given column (or expression) evaluates to a non-null value. Since the claim contradicts how COUNT(*) operates, this option is correct.

Summary: The assertion in the True option contradicts the standard definitions of COUNT(*) and COUNT(column_name); the False option aligns with SQL semantics that COUNT(*) counts all rows, while COUNT(column_name) counts only non-null values of that column.

Question at position 37 COUNT(*) tallies only those rows that contain a value, while COUNT counts all rows.TrueFalse

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