Hi! Today, I’ll share some thoughts on the sample ER diagram for the employee management system.

This small database will also provide you with a thorough overview of the tables in the Employee Management System database project.

This course will teach you how to administer an employee management database and how to construct a database for an employee management system.

You will get the Employee Management System ER diagram PDF and PPT files at the end of the talk, which will be useful for your DBMS studies.

Employee Management System ER Diagram and Database Structure Description

The ER Diagram for the employee management system was created to manage the information needs of employees.

Its database design can store and secure the information of employees. Admin may examine the status and information of employees, as well as their performance and compensation.

They are capable of handling the data required for managing personnel and job departments.

Employee Management System Entities and their Attributes:

Employee Entity : Attributes of Employee are employee_id, employee_name, employee_mobile, employee_email, employee_username, employee_password, employee_address
Salary Entity Attributes of Salary are salary_id, salary_employee_id, salary_amount, salary_total, salary_type, salary_description
Leaves Entity : Attributes of Leaves are leave_id, leave_employee_id, leave_type, leave_status, leave_to, leave_from, leave_description
Experience Entity : Attributes of Experience are experience_id, experience_employee_id, experience_year, experience_type, experience_description
Login Entity : Attributes of Login are login_id, login_user_id, login_role_id, login_username, login_password, login_lastlogin
Attendance Entity : Attributes of Attendance are attendance_id, attendance_employee_id, attendance_student_id, attendance_type, attendance_description

ER Diagram of Employee Management System With Features

Time needed: 5 minutes

Here’s the database design for the Employee Management System with an ER Diagram of the Employee Management System that includes Tables, Schema, PDF, etc.

Employee Management
This function is extremely vital for the system because it collects all of the important information from the employees.

These details were utilized to keep track of their job performance and other key system details. Employee attendance will also be checked by the system.
Manage Salaries and Bonuses
The administration will be in charge of salary and bonus management in order to keep track of the establishment’s wages and expenses.

This procedure will assist them in updating the state of the payroll in terms of salary distribution and other employee-related problems.
Manage Job Departments and Status
Its function will manage and monitor each employee’s employment state, and then calculate their compensation based on their labor range or each month.

This will also record all of the establishment’s expenses, which will be saved to a database for future or inventory purposes.
Manage and Monitor Transaction Records
This is the procedure through which the administrator should keep track of every transaction that their employees make with the products or services that they provide to their clients.

The system will also track their attendance and leave in order to identify their job scope and calculate their actual remuneration.

Employee Management System Database Tables

The tables below provide the complete database table details such as Field Name, Descriptions, data types, character lengths.

The tables below provide the complete database table details such as Field Name, Descriptions, data types, and character lengths.

Table Name: tbl_Employee

Field	Description	Type	Length
emp_ID (PK)	Employee ID	Int	11
fname	Employee First Name	Varchar	255
lname	Employee Last Name	Varchar	255
gender	Employee Gender	Int	11
age	Employee Age	Int	11
contact_add	Contact Address	Int	11
emp_email	Employee Email	Varchar	255
emp_pass	Employee Password	Varchar	255

Employee Table

Table Name: tbl_Users

Field	Description	Type	Length
admin_ID (PK)	Admin ID	Int	11
fname	Instructor First Name	Varchar	255
lname	Instructor Last Name	Varchar	255
gender	Instructor Gender	Int	11
age	Instructor Age	Int	11
contact_add	Contact Address	Int	11
admin_email	Admin Email	Varchar	255
admin_pass	Admin Password	Varchar	255

User Table

Table Name: tbl_JobDepartment

Field	Description	Type	Length
job_ID (PK)	Job ID	Int	11
job_dept	Job Department	Varchar	30
name	Job Name	Varchar	30
description	Job Description	Varchar	30
salary_range	Salary Range	Varchar	30

Job Department Table

Table Name: tbl_Salary_or_Bonus

Field	Description	Type	Length
salary_ID (PK)	Salary ID	Int	11
job_ID (FK)	Job ID	Int	11
amount	Amount	Int	11
annual	Annual Expense	Date
bonus	Bonus	Date

Salary or Bonus Table

Table Name: tbl_Qualification

Field	Description	Type	Length
qual_ID (PK)	Qualification ID	Int	11
emp_ID (FK)	Employee ID	Int	11
position	Position of Application	Varchar	30
requirements	Requirements	Varchar	30
date_in	Date In	Date

Qualification Table

Table Name: tbl_Payroll

Field	Description	Type	Length
payroll_ID (PK)	Payroll ID	Int	11
emp_ID (FK)	Employee ID	Int	11
job_ID (FK)	Job ID	Int	11
salary_ID (FK)	Salary ID	Int	11
leave_ID (FK)	Leave ID	Int	11
date	Date of Payroll Report	Date
report	Report	Text
total amount	Total Amount	Int	11

Payroll Table

Entity Relationship Diagram for Employee Management System

Entity Relationship Diagram Symbols

ER Diagram of Employee Management System with Relationship

ER Diagram of Employee Management System shows the system entity relationships in each entity and their supposed functions in each relationship.

This section will show you the ER Diagram for the Employee Management System. In the image below you see the actual relationship of all entities.

ER Diagram for Employee Management System with Relationship

Conclusion

To summarize, we have discussed about the ER diagram for the Employee Management System, and above we have the system database tables and their relationships.

Class Diagram for Employee Management System

Inquiries

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