Write a PL/SQL block to read and display the department name and number of employees per department. Accept input from the user to get the number of employees he wants to see in the output. Display also the number of records returned by your PL/SQL block.

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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.