What is the reason for the appearance of a row when all fields are null?

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The appearance of a row when all fields are null could be intentional, as the row may serve as a placeholder or indicator for the absence of data. It may also be a result of the database or software's default settings, where an empty row is generated when no data is provided. Alternatively, it could be a technical limitation where the system cannot differentiate between an intentionally blank row and a row with missing data.