Respuesta :
Answer:
A crosstab query is a type of select query. ... When you create a crosstab query, you specify which fields contain row headings, which field contains column headings, and which field contains values to summarize. You can use only one field each when you specify column headings and values to summarize.
Explanation:
Answer:
The Answer is B.
Explanation:
A crosstab query summarizes large amounts of data, and a subquery is a query within a query.