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To count the number of employees in each department in a database, we can use SQL queries within the context of DBMS, and we can also implement the logic in Java using JDBC to interact with the database. The task essentially involves grouping employees by their department and counting how many belong to each group. In a typical database schema, there might be two related tables: Department and Employee. The Department table can have attributes like `dept_id` and `dept_name`, while the Employee table contains attributes like `emp_id`, `emp_name`, `salary`, and `dept_id` as a foreign key referencing the Department table. The relationship is one-to-many, as one department can have multiple employees. _____ ____ ___ _______ _______ ________ ____ ___ _____ _________ ___ ___.
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