Thank you for the reference to the documentation, and thank you for the enhanced check in the ADD COLUMN. After the enhancement, column v3 is not being added to the table, and hence the unexpected outputs are prohibited in the original first query.
Thank you for the reference to the documentation, and thank you for the enhanced check in the ADD COLUMN. After the enhancement, column v3 is not being added to the table, and hence the unexpected outputs are prohibited in the original first query.