Question: 2. Consider the following database schema. In the Employee_tbl table, the EmpNumber column must be unique to provide a guarantee uniqueness for a specific column

2. Consider the following database schema. In the Employee_tbl table, the EmpNumber column must be unique to provide a guarantee uniqueness for a specific column (to prevent two different students from having the same EmpNumber). Identify the column or the group of columns in the other tables that must be unique across all rows in the table? (10 points) Employee_tbl EmpNumber Department_Number EmpName Gender Department_tbl Department_Number Dept_Address DeptName Salaries_tbl EmpNumber Salary_Amount From_date To_date

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