An entity relationship diagram (ERD) is a tool that depicts the flow of data through a system and the work or processing performed by that system.

Name: An entity relationship diagram (ERD) is a tool that depicts the flow of data through a system and the work or processing performed by that system.
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An entity relationship diagram (ERD) is used to illustrate the relationships between entities in a database, not the flow of data or processing within a system.

An Entity Relationship Diagram (ERD) Is a Tool That Depicts