- Create a new project by selecting Project > New from the application toolbar. In the New Project window, enter Bus Route Management as project name and click Create Blank Project.
- To create an ERD, select Diagram > New from the toolbar. In the New Diagram window, select Entity Relationship Diagram and click Next. Enter Bus Route Management as diagram name and click OK.
- Let's start by creating the first entity Route. Select Entity in diagram toolbar and click on the diagram to create an entity. Name the entity Route and press Enter to confirm.
- Create columns in Route. Let's start with a primary key. Right-click on entity Route and select New Column from popup menu.
- Enter +id : varchar(10) and press Enter. Note that the + sign means that the column is a primary key. Varchar is the column type and 10 is the length.
- Enter fare : float and press Enter, then Esc to create another column.
- Create entity Stop. A bus route has many bus stops, while a stop can be shared by many routes. Therefore, there is a many-to-many relationship between Route and Stop. Place the mouse pointer over the Route entity. Drag out the Resource Catalog icon at top right.
- Release the mouse button and select Many-to-Many Relationship -> Entity from Resource Catalog.
Name the new entity Stop, You can see that a linked entity Route_Stop is automatically created in between Route and Stop, with foreign key added. - Create the following columns in Stop:
Key Name Type PK id int(10) name varchar(255) terminus blob
The diagram should now become: - A route has multiple bus schedules. Create an entity Schedule from Route with a one-to-many relationship. Move the mouse pointer to Route. Press and drag out the Resource Catalog icon. Select One-to-Many Relationship -> Entity to create entity Schedule.
- Create the following columns in Schedule:
Key Name Type PK id int(10) departure date arrive date - A schedule is handled by a bus. Create an entity Bus from Schedule, with an one-to-one relationship. Create the following columns in Bus:
Key Name Type PK vehicle_id int(10) fleet_id varchar(10) last_main date
The diagram should become: - A bus is driven by a bus driver. Create entity Driver from Bus with a one-to-one relationship. Add the following columns to Driver:
Key Name Type PK id int(10) name varchar(255) employ_date date
This is the final ERD.
Related Links
University Management System Class Diagram describes the structure of a University Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the University Management System are Colleges. 5 Steps to Create UML Diagrams for Course Management System. Run Edraw, navigate to Software and double click UML Model Diagram to open a blank drawing page. Drag relevant UML symbols from left libraries and drop on the drawing page. Double click the symbols to add information and finish typing by click any blank area on the page. 1.3.1 Class Diagram This is the most used UML diagram in the field of software engineering design. It is called as a main building block of any object oriented solution. Usually it illustrates the classes in a system, attributes and operations of each class and also the relationship between each class. Below is the “CLASS DIAGRAM” of our. The term 'diagram' in its commonly used sense can have a general or specific meaning: visual information device: Like the term 'illustration', 'diagram' is used as a collective term standing for the whole class of technical genres, including graphs, technical drawings and tables. Etoos Study Material Pdf Download. Message For Dump Scale Meaf. University Management System Uml Class Diagram. Xilinx Download For Windows 10. Adobe Muse Widgets Pack Free Download. Driver Modem Bolt Huawei E5372s Download.
Course management system is a software system designed for teachers, instructors and students that simplifies the tasks of managing course content, course administration and interaction to help them organize and facilitate instruction. It only only work as a tool for distance education but also supplements to face-to-face classroom learning. Both teachers and learners can monitor the system.
A UML use case diagram is a graphic depiction of the interactions among the elements of a system. It also uses actors and use cases to model the functionality of a system.
Usages of UML Use Case Diagram
UML use case diagram is one of UML diagrams which can model dynamic view of a system. And its specific purpose is to gather requirements and actors of system. It is mainly used in analyzing systems requirements and high level design, modeling the context of a system, reverse and forward engineering.
5 Steps to Create UML Diagrams for Course Management System
- Run Edraw, navigate to Software and double click UML Model Diagram to open a blank drawing page.
- Drag relevant UML symbols from left libraries and drop on the drawing page.
- Double click the symbols to add information and finish typing by click any blank area on the page.
- Drag proper connector from left libraries to connect symbols.
- Click Save on File tab to save the diagram as the default format .eddx. Or choose Save as on File tab to save as other formats. You can also choose to save in local files or save in your Cloud. Hit Export & Send under File to export the uml diagram as images, ppt , web documents and so on.
Here is the finished uml diagram for course management system.
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Software to Create UML Diagrams for Course Management Systems
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- A large amount of standard UML symbols are offered for users to drag and drop. No drawing skills required.
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- Inserting data by adding hyperlinks, note, and attachments is supported to make UML diagrams interesting and more resourceful.
More UML Diagrams Types
Types Of Uml Diagrams
Following are more examples of UML use case diagram.