因为不在“删除”查询中显示数据，所以“输出”、“排序类型”和“排序顺序”列均被移除。

Because you do not display data in a Delete query, the Output, Sort By, and Sort Order columns are removed.

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此外，因为无法指定要删除的单个列，所以在代表表或表值对象的矩形中，列名旁边的复选框已被移除。

In addition, the check boxes next to the column names in the rectangle representing the table or table-valued object are removed because you cannot specify individual columns to delete.

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因此，必须从查询输出中移除剩余的列，或使它们成为GROUP BY子句或聚合函数的一部分。

Therefore, you must remove the remaining columns from the query output or make them part of the GROUP BY clause or of an aggregate function.

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