An ER diagram is a type of flowchart that shows how entities, typically people, objects or concepts, are related to each other within a system. ER diagrams are most often used in business to design relational databases. In computer science, they are used to design ontologies.
An entity relationship diagram (ERD) is a graphical representation of the relationships between entities in a database. An ERD can be used to represent the data in a database, as well as the relationships between the data.
There are many online services that can help you create an ER diagram. Some of these services are free, while others require a subscription. If you need help creating an ER diagram, consider using one of these online services.
I will help to do all tasks on System Analysis and
Design, UML Data Modelling, that including:
1. Use Case Diagram
1.1 Use Case to XML
2. Sequence Diagram
3. Class Diagram
4. Object Diagram
5. Component Diagram
6. Deployment Diagram
7. Interaction Diagram
8. State Diagram
9 Activity Diagram
Special on:
1. Data Flow Diagram (DFD)
1.1 Context Diagram
1.2 Level 0 Diagram, Level 1 Diagram
1.3 Structure English
1.4 Data Dictionary
2. Control Flow Graph (CFG)
3. Dominant
Tree
Service is provided with BEST QUALITY and ASAP.