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To count the number of rows in a table, use the SQL construct ________.
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To count the number of rows in a table, use the SQL construct ________.
To count the number of rows in a table, use the SQL construct ________.
• SELECT *
• SELECT TOP n *
• SELECT COUNT(TOP n)
• SELECT COUNT(*)
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Database Processing: Fundamentals, Design, and Implementation
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Kroenke, Auer, Yoder, Vandenberg
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SELECT COUNT(*)
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Count(*) tallies only those rows that contain a value, while Count counts all rows.
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