In above use case diagram figure shows there are three actors of a system Admin, Staff and Student. Use case diagram of student attendance management system. Sequence Diagram For Leave Management System Definition The use case diagram consist of six graphics elements that represent whole system : The Use case diagram is a collection of diagram and text together that make action on goal of a process. All user describe in use case are actors and the functionality as action of system. The use case diagram are usually referred to as behavior diagram used to describe the actions of all user in a system. Use Case Diagram – Student Attendance System Project We have implemented indexing on each tables of Leave Management System tables for fast query execution.All the entities Company, Notification, Report, Employee are normalized and reduce duplicacy of records.There is one-to-one and one-to-many relationships available between Notification, Leave, Employee, Company.The entity Report, Notification has binded with Company, Branch entities with foreign key.
Each entity (Employee, Report, Notification, Branch, Company) contains primary key and unique keys.The details of Company is store into the Company tables respective with all tables.Employee Entity : Attributes of Employee are employee_id, employee_name, employee_mobile, employee_email, employee_username, employee_password, employee_addressĭescription of Leave Management System Database :.Notification Entity : Attributes of Notification are notification_id, notification_leave_id, notification_title, notification_approval, notification_leave_cancellation, notification_type, notification_description.Leave Entity : Attributes of Leave are leave_id, leave_employee_id, leave_type, leave_status, leave_to, leave_from, leave_description.Report Entity : Attributes of Report are report_id, report_name, report_type, report_description.Branch Entity : Attributes of Branch are branch_id, branch_name, branch_type, branch_city, branch_address.Company Entity : Attributes of Company are company_id, company_name, comapny_type, company_description, company_address.Leave Management System entities and their attributes : Classes of Leave Management System Class Diagram. The main classes of the Leave Management System are Company, Branch, Report, Leave, Notification, Employee. Leave Management System Class Diagram describes the structure of a Leave Management System classes, their attributes, operations (or methods), and the relationships among objects. The Sequence diagram is one of the most usable and useful diagrams to represent the interaction of one or more objects’ interactions with one or more systems. The sequence diagram is a tool of Unified Modelling Language (UML) that represents the interaction of different actors with the system in order to get a result/response (Bell, 2004). The HR management system will be developed to provide information of employees and many other facilities at the click of a button. Without an employee management system, it’s a tedious job for the human resource department to keep track of each and every employee and even harder for a project manager to assign tasks to the project team. It used structure data and to define the relationships between structured data groups of. The entity-relationship diagram of Leave Management System shows all the visual instrument of database tables and the relations between Branch, Leave, Company, Employee etc. The main entities of the Leave Management System are Company, Branch, Report, Leave, Notification and Employee. It used structure data and to define the relationships between structured data groups of Leave Management System functionalities.
This ER (Entity Relationship) Diagram represents the model of Leave Management System Entity.
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