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Summary

As you can see, Microsoft gives you a sophisticated query builder for constructing complex and powerful queries. Action queries let you modify table data without writing code; you can use these queries to add, edit, or delete table data. The Unique Values and Top Values properties of a query offer you flexibility in determining exactly what data is returned in your query result.

You can do many things to improve your queries' efficiency. A little attention to the details covered in this chapter can give you dramatic improvements in your application's performance.


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