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What is an Entity Relationship Diagram (ERD)? Learn about entity relationship diagram symbols. Read the ER diagram tutorial. See ERD diagram examples.
An entity-relationship diagram, or ER diagram, models the logical relationships between entities and thereby can help engineers troubleshoot issues or discover inefficiencies in existing database designs.
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UML stands for Unified Modeling Language. The purpose of a UML diagram is to create a visual model of a software system. UML diagrams can show the structure of a system and its components like classes, packages, and objects. They can also show how the system behaves, acts, and communicates.
The four new diagrams are called: communication diagram, composite structure diagram, interaction overview diagram, and timing diagram. It also renamed statechart diagrams to state machine diagrams, also known as state diagrams.
What is an Data Flow Diagram (DFD)? Learn about data flow diagram symbols and DFD levels and types. Read the data flow diagram tutorial. See DFD examples.
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You can create a UML Class diagram automatically without any drawing at all by pointing SmartDraw at a code repository. You can either use Github or a local repository to import your Class data to generate a diagram. Alternatively, you can also use the + or Plus menu to select the UML Class Diagram visualizer.
