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  1. Learn what is ERD, why and how to use it, and what symbols and notations to draw it. Visual Paradigm is a free ERD tool that supports database design, debugging, creation and patching.

  2. Create ER diagrams online with Visual Paradigm's online ERD software. Choose from various templates, export, share and collaborate on your diagrams easily.

  3. Visual Paradigm Online offers a variety of templates and examples for creating Entity Relationship Diagrams, a type of structural diagram for database design. Learn how to use ERD symbols, connectors and notations with online ERD creator and collaboration tools.

  4. Learn how to create and edit entity relationship diagrams (ERD) with Visual Paradigm, a database design tool. Find out how to add columns, set types, specify primary keys, create relationships and more.

  5. Entity Relationship Diagram, also known as ERD, ER Diagram or ER model, is a type of structural diagram for use in database design. An ERD contains different symbols and connectors that visualize two important information: The major entities within the system scope, and the inter-relationships among these entities.

  6. Design database with Entity Relationship Diagram tool (ERD tool). Create conceptual, logical and physical database design. Generate database and DDL from ERD and more.

  7. Form Entity Relationship Diagram (ERD) from physical database. Support wide-range of DBs: MySQL, Oracle, MS SQL Server, Sybase, PostgreSQL, Firebird, INGRES, Derby, MariaDB, etc. Generate a new database and DDL from ERD, or apply patching changes to an existing database