Check the following statement: select sysdate Today, (select count (*) from departments) Dept_count, (select count (*) from employees) Emp_count from dual; And choose the correct answer. Select one: a. Determines the current date and the current number of unique departments and employees. b. Determines the current date and the current number of departments and employees. c. Determines the current date of hire and the current number of departments and employees. d. The statement generates an error because no requirements can be placed in the SELECT

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Q: SQL REQUEST

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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.