You can draw an ER diagram with a pencil and paper, but it’s often better to use ERD tools. Although several diagrams can be used to draw a data model, the Entity-Relationship Diagram (ERD) is the most common choice. The three phases most models go through are conceptual, logical, and physical data modeling. ![]() ![]() Hey students! Are you searching for a data modeling tool you can use to explore the world of databases? Read on and find out the best data modeler options for you.ĭata modeling is analyzing, identifying, and graphically presenting the data involved in a business process.
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