Database er diagram
ER diagram, also known as Entity Relationship Diagram, provides a method to represent entity types, attributes and relationships, and is used to describe the conceptual model of the real world. PHP Chinese website brings you a variety of database ER diagram related download resources, related courses, related articles and other content for everyone to download and use for free.
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Database er diagram
What software is good for database ER diagram?
When making ER diagrams, we can choose some well-known software, such as Microsoft Visio, ER/Studio, DbSchema, etc. These softwares have easy-to-use interfaces and rich functions that can meet most needs.
Jun 16, 2023 pm 03:23 PM
Database ER diagram converted to relational schema
The E-R diagram is composed of three elements: entities, attributes of entities, and connections between entities. Converting an E-R diagram into a relational model actually means converting entities, their attributes, and the connections between entities into a relational model.
Jun 16, 2023 pm 03:30 PM
What is a database ER diagram?
ER diagram, also called entity-relationship diagram (Entity Relationship Diagram), provides a method to represent entity types, attributes and relationships, and is used to describe the conceptual model of the real world. The ER model was first proposed by Peter Chen in 1976. It has been widely recognized in the field of database design, but is rarely used as a data model for actual database management systems.
Jun 16, 2023 pm 03:26 PM
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