Write a query to display the author ID and the number of books written by that author.  Sort the results in descending order by number of books, then in ascending order by author ID (Figure P7.85). In the SQL Query do the following  Select clause: Display author Id and count of author Id as “Books Written” From clause: WRITES table  Where clause: Not needed as we are not limiting any data here  Order by clause: “books written” desc, au_id asc

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Single Table

In a database management system, a single table is designed to obtain data of heterogeneous items. A single-table design with DynamoDB resolves the issue of raising multiple requests for the relevant data of an entity.