Attributes: Employee ID, Name, Contact Information, Address, Position, Salary, Tax Information.
Attributes: Department ID, Name, Description.
Attributes: Leave ID, Employee ID, Start Date, End Date, Reason.
Attributes: Attendance ID, Employee ID, Date, Time In, Time Out.
Attributes: Training ID, Employee ID, Training Type, Date, Duration.
Attributes: Pay Grade ID, Grade Name, Minimum Salary, Maximum Salary.
An employee belongs to one department, and a department can have multiple employees.
An employee can take multiple leaves, and each leave is associated with one employee.
An employee has attendance records, with each attendance entry linked to one employee.
An employee can undergo multiple training sessions, and each training session is linked to one employee.
Each employee is assigned a specific pay grade, defining their salary range.